Can electronic devices magically turn themselves on? 

The answer depends on the type of electronic device and how it is turned on. Most electronic devices nowadays have Microchips embedded in them which control all operations.

Electronics circuits that contain Microchips or any other Integrated Circuits have certain states like Standby, or sleep to conserve power and can switch states (appearing to turn themselves on) after a certain amount of time using their inbuilt timers.

The older more conventional circuits that do not have Microchips, but used passive components like resistors, capacitors cannot enter these modes, and therefore cannot turn themselves on.

I will cover in more detail below the basics of the different types of circuit and if it is possible for them to turn themselves on.

Basics of electronic circuits

All electronic devices, no matter how complex, require electricity (flow of electrons) to operate.

This electricity can be provided through the mains outlet in your home, or batteries.

A simple circuit is shown below, that has a source of electricity (in this case a battery), a switch and an Lamp. 

Circuit 1 has the switch open, therefore the circuit is not completed and the flow of electrons has no path from the battery to the Lamp. The circuit is in the ‘OFF’ state.

Circuit 2 has the switch closed. Now the circuit is completed and the electrons have a path from the batteries to the Lamp. The circuit is now completed and in the ‘ON’ state.

This is quite a simple circuit, but this is the fundamental principle of how electronics work.

If there is a break in the path of the circuit, there is no flow of electrons and therefore the device won’t be able to function how it normally does.

Every electronic device from your mobile phone to dishwasher has a switch or button that breaks the path of the circuit (preventing the flow of electrons), or closes it (allowing the flow of electrons).

States

The state an electronic device is in, depends on the physical state of the circuit as we covered above.

The two most common states are ‘OFF’ and ‘ON’. 

These two states are common with devices that do have integrated chips (like a microcontroller).

A simple Lamp with just a light bulb, switch and power supply has the ability of just being off and on.

However, Microchips have the ability to enter certain other states to conserve power.

These modes include, Sleep, Standby, Idle, and Power-Down.

You might have this when you do not use your computer or laptop for a certain amount of time, it will go to ‘sleep’ to conserve power.

I shall cover details of different states below. 

Different types of electronic circuits 

As I mentioned above, electronic circuits vary in complexity.

We can class them into two categories for the sake of this article.

An electronic circuit with and without integrated circuits.

Electronics without Integrated Circuits 

In general, electronics without integrated circuits contain only two basic states.

They are either ‘ON’ or ‘OFF’, as we saw above with the example of the lamp.

So, can these types of electronics turn themselves on?

The only way these kinds of circuits can turn themselves on is through physically switching them on by pressing a switch or button, that will close their circuits.

The way these types of circuits can turn on by themselves are through external factors. 

Possible cases where they could potentially turn on by themselves;

• The switch/button has not been opened fully and is sitting in a neutral position (essentially turning the circuit off), which could then close itself therefore turning the electronic device on. 
• Someone accidentally bumps into the switch without knowing causing the electronics to turn on.

Electronics with Integrated Circuits

Over the past couple of decades, innovation in electronics has seen the rise in Integrated circuits like a Microchip.

Microchips are essentially computers embedded onto integrated circuit chips. They are the brains of many embedded systems like televisions, dishwashers, mobile phones etc.

Circuits that have microchips have the ability to enter other states other than just ON or OFF.

These states include Standby, Sleep, Idle and Power-Down.

These states allow the electronic devices to conserve power. I shall refer to them as the Standby state.

They use less functions and may appear to look as though they are turned OFF.

Can electronics turn on by themselves?

Factors that can cause an electronic to switch states

There are certain factors that can cause the electronics devices to come out of the Standby state and enter the ON state which can appear as if the electronics are turning themselves on.

Timers

Microchips have in-built timers which are an essential part in embedded systems.

They maintain timings of operations allowing electronic devices to switch states after a predetermined amount of time.

An example of this is an Air Conditioning unit that has the ability to turn on at a specific time. 

Timers start counting and when that specific time is reached, the Air Conditioning unit will turn on. 

So, if you happen to have an electronic device that turns on by itself, make sure it does not have a timer set to turn it on at a particular time.

Noise

Electrical noise is an electrical signal that is an unwanted disturbance in a circuit. 

This can give the microchip false readings causing it to perform operations it shouldn’t be (like turning itself on).

The causes of noise can range from the Air, power supply, switching regulators, resistors etc.

Sensors

Sensors are common inputs in many electronic devices.

They enable the embedded system to ‘sense’ the physical world from things like temperature, light, colour and many more allowing the embedded system to perform operations based on changes in the external world.

Maybe an electronic device is in Standby mode and depending on certain sensor parameters switches states turning itself on.

Also, many electronic devices can turn on using a remote by means of an Infrared Transmitter and Receiver (televisions being the most common).

The receiver has the potential of being falsely triggered from a source other than that of the television remote. 

Ways of preventing electronics from turning on by themselves

While electronic devices have the ability to switch states (depending on certain factors) and appear as if they are turning themselves on, there are ways of preventing this.

If it is a common occurrence it can be quite annoying.

To ensure a device won’t switch states, or ‘turn on’ by themselves you can do a couple things.

Disconnect the power

As we saw earlier, a circuit functions only when power is provided to it.

If it has no means of getting power it won’t be able to turn itself on.

Here’s what you can do to disconnect the power:

• For devices connected to the mains outlet, turn off the switch at the mains. If it does not have a switch, remove the devices power plug
• For portable electronic devices that run on batteries, remove the batteries 

Cover Sensors

For devices that can turn on using remotes, they have the potential of turning on from other external signals.

So, you could cover the receiver with a piece of tape when not being used. 

This way other signals cannot interfere.

Can electronics turn on by themselves?

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Being indoors, will protect you from strong winds, heavy rains and the scariest of them all, lightning!

So, you are indoors. The only thing now is to keep yourself entertained during this thunderstorm (as having a barbecue now is not really ideal). Obviously you turn to your electronic devices (computers, televisions, gaming consoles etc) to pass your time. 

But, are you putting yourself at risk when using electronics during a thunderstorm?

Should you unplug electronics during a thunderstorm?

Yes. The safest precautions you can take during a thunderstorm when indoors, is to unplug your electronics and avoid the use of electronics completely.

Lightning can generate voltages of up to  15 million volts and has temperatures that reach up to 50,000 degrees Fahrenheit (27,760 degrees Celsius)! If a power line is struck near your home, this voltage can travel through your electrical system frying all your electronics.

What is involved in a thunderstorm?

A thunderstorm, also known as an electrical storm, is essentially rain and thunder. 

If you have experienced a thunderstorm, you know you first see lightning and shortly after hear thunder. This thunder is caused by lightning.

Since light travels faster than sound, you see the lightning first and then hear the thunder.

Lightning

Lightning is one of the main attractions of a thunderstorm. The thing that most people might not know is there are two types of lightning; Cloud to Cloud, and Cloud to Ground.

Cloud to Cloud lightning is the most common of lightning and occurs when light jumps from one cloud to the next. Most of us will probably only have witnessed cloud to cloud lightning as it makes up 80% of lightning strikes.

Cloud to cloud lightning strikes do not pose any threat to people, homes, electrical systems etc. So, electronic devices will not be affected by them.

Cloud to Ground lightning is the second kind of lightning and is synonymous with destruction. As the name suggests, cloud to ground lightning involves lightning that travels from clouds to the ground or objects on ground (including humans).

This kind of lightning poses the most amount of threat. If a person is struck by cloud to ground lightning it can cause serious harm and even death. So, if ever you find yourself in a thunderstorm, make sure to get yourself indoors and away from open spaces.

It can strike trees, houses causing fires and power lines causing power outages.

This is the type of lighting that can cause damage to your electronics if they are plugged in during a thunderstorm. 

How to stay safe

Like I mentioned, if you are caught outdoors during a thunderstorm, get yourself indoors or undercover as soon as possible. 

If you are indoors here are some measures you can take to keep yourself and others safe.

Avoid the use of corded phones, computers and devices which put you in direct contact with electricity.

Also, avoid the direct contact of plumbing, including sinks, baths, and taps (faucets). Concrete walls and floors should be avoided too.

How often does lightning strike?

Cloud to ground lightning is said to strike the earth at least 100 times per second. This is about 8 million strikes per day and 3 billion per year.

This frequency is quite frightening. But, you might not be in an area in the world where lightning occurs everyday.

Lightning may not be evenly distributed worldwide, but 70% of lightning strikes occur in the tropics.

Venezuela is a country that has the most lightning strikes worldwide. But, Africa is the continent that is the main hot spot of lightning strikes.

Saying this however, no matter where you live you are not exempt from thunderstorms and lightning strikes.

So you will have to put measures in place to protect yourself and your electronics in the event of a thunderstorm.

Power Surges

You would have most likely witnessed a power surge sometime in your life. When all the power goes off for a split second and then back on again (that is why if you are working on a computer, saving your work constantly should be a habit). 

A power surge or voltage spike happens when something boosts the electrical charge of a power line, which then increases the potential energy, and current flowing into your homes.

Power surges are common, so do not be afraid if one does happen to you in the near future. It is also more common in homes with faulty or older wiring. 

Signs that a Power surge has occurred

There are few signs that indicate that a power surge has occurred.

The most obvious and one that people would have first hand experience with is, when all power shuts off briefly and then back on again. 

You might have been watching TV when it turned off and then back on. Or, maybe you had the misfortune of writing an essay on your computer and a power surge wiped out all your hard work (save constantly!).

Next, is that your circuit breaker would have been tripped. Circuit breakers are put in place as a way of combating power surges (I will talk in more detail later on). 

Also, surge protectors might reset during a power surge.

Why are electronic devices affected by power surges?

Power surges, depending on the external source, can cause large spikes in voltage and current flow through your power outlet which all your electrical devices are connected to.

Depending on where you live in the world your home will receive a different level of electrical power.

For this example let us look at the electrical power of the United States of America which is 120 volts. This voltage is an alternating voltage with its peak being 169 volts. 

Home appliances like your toaster, television, microwave are connected to a power outlet, and are designed to operate below this 169 volt range. 

Trying to operate electronic devices outside this range can be harmful to them.

What a power surge does is increase the voltage past its nominal values for a certain time period. This can cause damage to electronic devices as it causes a spike in current which causes an increase in heat that can damage circuit boards and components. 

Ways to protect against power surge?

Modern devices are much smaller and more sensitive to surges in power. So, they require protection from spikes in energy. 

Microprocessors (which are found in many devices found at home) are sensitive devices that require a stable voltage to operate. So fluctuations in voltage are not ideal.

So, how do we protect them against these power surges?

Surge protectors are your best option when it comes to protecting your devices from power spikes.

It is a device that is plugged into an electrical outlet and our electronic device which you are trying to protect gets plugged into the surge protector.

If there is a power spike, the surge protector will divert that energy into its grounding wire.

Another option is something called a surge arrestor. It is installed at the point where power enters your house. It can protect your devices from voltages up to 6000 volts. 

Some complicated systems even monitor the weather and cut power to sensitive devices. 

You will need to consult a technician if you are considering installing a surge arrestor system. 

What causes Power surges?

There are several causes of power surges, but some of them are more common than others.  

The most common factors are high powered power electrical devices, faulty or older wiring, and lighting.

First on the list is, high powered electrical devices. 

High powered electrical devices, include devices that run using large compressors and motors. 

They include things like elevators, air conditioners, and fridges. The reason they can cause power surges is, due to the fact it takes a lot of energy to turn on and off these compressors and motors.

This switching causes more power needed by that device and hinders the steady flow of voltage. This then causes a power surge which affects other devices.

Second is faulty or older wiring. 

Delivering power from a power station to a home is a very complex task.

It involves a lot of power lines and wiring. This opens up the possibility to many points of failure along the way. 

Faulty wiring as well as older wiring (which is more prone to failure) can be dangerous and upset the flow of electricity thus causing power surges.

Finally, one of the greatest causes of power surges, and the most lethal is, lightning. 

Lightning can strike power lines or underground systems causing massive spikes in energy.

Now while a lightning strike to a power line near your house is less likely, it will cause more damage to your electrical devices than your fridge would. 

As we saw earlier, lightning can generate voltages up to 15 million volts. This is enough to overpower any protection you have in place.

Why it is important to unplug your electronics during a thunderstorm

So I have covered thunderstorms, power surges, surge protectors and electronic device ratings.

You now know that electronic and electrical devices have ratings of voltage that are safe for them to operate within.

Lighting is one of the most dangerous aspects of a thunderstorm and the most damaging of power surges. 

It can generate voltages in excess of 15 million volts. This type of energy will destroy any surge protectors put in place to protect your electronics. 

So, the only thing you can do to protect your electronic devices during a thunderstorm is to unplug them. 

I know the likelihood of a lightning strike on a power line near your home is low, but it is best to avoid any risk.

You do want to risk getting zapped while unplugging devices during a thunderstorm, so it is best practice to unplug them before a thunderstorm.

Keep an eye out daily on your local weather forecast for reports on any incoming thunderstorms.

Staying one step ahead will allow you to be safe and keep your electronic devices undamaged.

What devices are likely to get damaged?

Now while you would not go unplug every single device connected to a power outlet, as I mentioned earlier, there are some devices more prone to damage than others.

Devices that have microprocessors or that are more sensitive to a spike in voltage. 

They could include things like your computer, television, gaming consoles, corded telephones, modems, microwaves, toasters, coffee machines, hair straighteners etc.

While this is just a small list, there are many more devices. This is just to give you an idea of what kind of devices you would want to unplug. 

Safety

If you ever come across faulty wiring that you suspect is causing power surges, consult an expert like an Electrician to evaluate it. Do not try to fix it yourself.

Also, if a power line is struck by lightning near your home and your household has been affected, stay away from power points during the duration of the thunderstorm.

Use phones that do not have cords to contact your power company to see what they are doing to rectify this issue.

The post Should you unplug electronics during a thunderstorm? appeared first on Electronic Guidebook.

I get asked many times if I can rewire the wiring in their house, and when I try to tell them that I cannot be because I am an Electronics Engineer, they think that I am just trying to get out of doing work (which is not the case!).

The main reason is that I am not trained or educated at rewiring a house. That is the job of an Electrician. 

There is a lot of confusion between Electronics and Electrical Engineering. Many people assume that they are the same thing, and while they have similarities and crossovers, they are quite different.

Also, it does not help that the degree is named “Bachelors of Electrical and Electronics”. Which is probably why most people get confused.

In this article I will cover the difference, as well as the similarities between Electronics and Electrical Engineering.

But, before we dive straight into the facts, let us take a step back and look at the basics of Electronics vs Electrical engineering.

Basics of Electronics Engineering

The modern world and all its advancements would not be possible without Electronics engineering (also known as just electronics).

The awesome power of electronics can be found in many (if not most) everyday devices from the mobile phone, home appliances, medical equipment, automobiles etc.

So what is it?

Electronics is a form of science (mainly physics) which is concerned with the flow and control of electrons through vacuum and matter.

The flow and control of electrons is achieved by active devices through amplification and rectification.

Electronics utilizes semiconductors as the main avenue for the flow of electronics. 

An electronic system can be broken down into three parts; An input, signal processing, and output.

The first part is where real world data is gathered via sensors. This data is collected in analog form (voltage and electrical signals). Real world data can range from temperature, force, humidity and many more.

Signal processing comes next. This part of the system has the job of  taking this real world data (voltage and electrical signals) and processing it in accordance with the end goal of the system. 

The final part of the system is the output. The output is the physical manifestation and the end result depending on the signal processing. This can be a display, motor, LED etc.

An example of an electronic system could be displaying temperature on an LCD. The input would gather temperature readings, the signal processing circuitry can interpret and manipulate this data accordingly and finally output this information on an LCD.

Brief History

The dawn of electronics began with the vacuum diode. A man by the name of J.A. Fleming was noted for inventing it in 1897. 

Later on after the vacuum diode, the vacuum triode was created by Lee De Forest to amplify electrical signals. 

The next step was the transistor. The junction transistor was invented in 1948. These transistors were created using germanium and silicon semiconductors. 

The creation of the Integrated Circuit was the next big breakthrough in electronics. This saw entire electronic circuits being embedded onto a single chip. This was possible as many electronic components considerably reduced in size (enough to fit onto a single chip).

As the years went by we saw further growth in the field with devices such as JFETs and MOSFETs (which are electronic switches). This then led to the development of the Microprocessor and Microcontroller.

Analog vs Digital

There are two main branches of electronics; Analog and Digital.

Analog electronics is concerned with a continuous range of voltage. Some circuits that include analog electronics are transistor amplifiers, operational amplifiers and oscillators.

Devices that utilize analog circuitry can range from radio receivers, mixers, modulators etc.

With Digital electronics, the differing factor is that voltage levels are discrete (either 0 or 1). A 0 can be viewed as no voltage present, while a 1 can represent the max voltage the system is running. 

They can be seen as a physical representation of Boolean Algebra. 

Computers, calculators, digital clocks are some of the many devices that have digital circuitry.

Application of Electronics

In this day and age, you would find it hard to go a day without using or seeing a device that did not have some sort of electronics. 

There are a plethora of applications that electronics lends its helpful hand to.

Consumer Electronics

Consumer electronics are devices that are used on a everyday basis.

Devices like calculators, printers, computers, telephone for use in the office.

Microwaves, coffee machines, ovens, toasters to help you in your kitchen.

Televisions, mobile phones, gaming consoles, home theater systems, headphones to keep you entertained for an eternity (or until the battery runs out).

Medical Electronics

Medical applications of electronics serve a greater purpose to that of consumer electronics. 

Many operations and procedures would not be possible without electronics. Also, devices to detect and prevent life threatening diseases exist because of electronic devices.

A few life saving devices include the defibrillator, MRI machine, glucose meter, and pacemaker.

Industrial Electronics

Industrial electronics and its application feature things like automation, motion control, robotics.

As we all know the fear of having robots replace the human worker. But, many robots conduct tasks that would not be able to be done by humans. Also, they do them at a much higher efficiency. 

Aerospace and Aeronautics

Man landing on the moon, exploring the depths of the universe, flying from continent to continent would not be achievable without the discovery of the field of electronics. 

Rockets and Airplanes all contain complex electronic systems that help them succeed the amazing feat of flight.

Basics of Electrical Engineering

As we saw earlier, electronics engineering deals with the flow of electrons through semiconductors.

Electrical engineering is related more to the transmission and distribution of electrical energy to houses, factories, buildings, etc. It’s primary concern is the operating and producing electricity.

There are many branches of electrical engineering which include, power generation, transmission systems, motors, batteries and control systems.

Design, construction and manufacturing devices that serve a useful purpose was made possible because of Michael Faraday’s law of induction which stated that voltage through a circuit is directly proportional to the rate of change of a magnetic field through that circuit.

Things like electric generators, motors and transformers make use of this law.

Brief history

Electrical engineering can be seen to date as far back as 1864. We can thank one James Clerk Maxwell from Scotland who managed to summarize the basic laws of electricity in a mathematical formula.

He also showed us that electromagnetic radiation travels through space at the speed of light. 

The earliest known practical application of electricity was the telegraph invented by Samuel F.B. Morse in 1837. 

Next came the telephone created by Alexander Graham Bell in 1876. Due to the telephone, the field of electrical engineering was born.

The biggest breakthrough however, was the incandescent light bulb invented by Thomas Edison in 1878. As the light bulb spread across homes in the United States of America, there was a need for transmission systems as well power generating plants. This in turn increased the need for electrical engineers. 

Another prominent figure in the field of electricity was Nikola Tesla who discovered Alternating Current (AC).

Application of Electrical Engineering

Just like Electronics Engineering, Electrical Engineering has a vast array of applications.

You wake up in the morning to your alarm clock, turn on the light, use the electric kettle to heat the water for your cup of coffee, make some toast, sit down turn on your television to watch your favorite TV show while having breakfast. 

All this was made possible because of power generation, distribution and transmission of electricity thanks to the design, implementation and construction of systems made possible by electrical engineering.

Other than just distribution and transmission of electricity, electrical engineering sees itself in the development of electrical systems for electric motors, machinery controls, lighting/ wiring in buildings and radar/navigation systems.

Electronics vs Electrical Engineer

Now that we have covered the basics of Electronics and Electrical Engineering, let us take a look at what the engineers of each field are involved in. 

Education

When it comes to education and the degree, as I mentioned above most universities/colleges have a Bachelors of Electrical and Electronics. The course runs on average for four years. 

The reason that they are grouped together as one degree is because they are quite similar in theories and fundamentals.

The first year usually covers the general aspects of electronic and electrical theory. Then, depending on what you choose the second, third, and fourth year branches out further into your field of choice.

It is broken down into these 5 subcategories; Power Engineer, Control Engineering, Computer Engineering, Telecommunications Engineering, and Embedded Systems Engineering. 

There are many other subcategories within those subcategories, but these are the most common.

My first year I studied electrical and electronics, the second year I chose electronics, then chose Embedded Digital Systems.and finally decided upon becoming an Embedded Systems Engineer.

As a school student if you are deciding on doing a Electrical and Electronics Engineering degree, you will need to take the appropriate subjects that will grant you the ability to get into it.

Subjects such as mathematics (Calculus) and science (Physics). Consult your school’s career counselor if you are unsure. 

There are many jobs available for Electrical and Electronics Engineers from, Embedded System, Aeronautical, Automation, Software, Aerospace and many more.

What can you do as an Electronics Engineer?

So what does an Electronics Engineer do? If you decide to choose the path of Electronics Engineering your options can look something like this.

Depending on your branch of electronics, you would have the opportunity to design electronic components, software products or systems for commercial, industrial, medical or scientific purposes.

If you chose to be a consultant, you would be in charge of analyzing customers needs and developing and implementing a system to meet their needs.

Or you could be tasked with evaluating systems and recommending design modifications and repair.

Maybe you might inspect electronic equipment and instrumentation to make certain they meet safety standards and regulations.

What can you do as an Electrical Engineer?

If however, you chose the path of an Electrical Engineer, the options available to you could look as follows.

Developing new ways that electric power is utilized by products. 

Designing new electrical systems and solving problems related to the generating and distribution of electrical power. This could be conventional energy or renewable energy sources. 

Planning the wiring and lighting of a new building under construction.

Working on motor control in Automation or Control system applications in the Industrial Factories or better motor efficiency in the Automobile Industry.

The Electrician

Now I get confused a lot for being an electrician and a lot of people assume I can carry out the duties of the Electrician.

However, there is a clear distinction between an Engineer and an Electrician. We just saw above what the Electrical and Electronics Engineer does, so what does an Electrician do?

The main job of the electrician is to install and maintain electrical and power systems in homes, businesses and factories. They are tasked with wiring of control equipment through which electricity flows.

Their primary concern is the construction and maintenance. 

The distinction between the Engineer and the Electrician is that the Engineer’s main duty is the design of new systems, whereas the Electrician is more concerned with installation and maintenance. 

While you need a degree to get a job in the Electronics and Electrical Engineering field, becoming an Electrician requires completing an apprenticeship which involves on the job paid training as well as classroom training. On average apprenticeships run for 4 years. 

Finally, just to clear things up, an Engineer cannot perform the duties (wiring, maintenance) of electrical systems in one’s home. You need to be a certified electrician.

The difference between Electronics vs Electrical engineering

So, we have covered the basics of what Electronics and Electrical Engineering, and also seen what the Engineers of both disciplines do.

One note to make is that Electronics is derivation of Electrical Engineering. This means it would not exist without the discovery of the field of electrical engineering. So there are a lot of similarities in the theories and applications.

Saying that, Electronics vs Electrical Engineering do have a couple differences

Theory

Electrical engineering in theory is the study of electricity as an energy source. It is not fully defined by voltages, currents or magnetic fields. 

Electronics engineering on the other hand is the theory and use of active devices such as vacuum tubes and semiconductors. It is more focused on the study of electrons in a circuit. So in essence electronics is the study of principles relating to electrons.

Scale 

Electrical Engineering is focused more on large scale electrical systems like power transmission to houses, businesses and factories. They deal with AC (alternating current) systems that consist of voltages in the range from 120 – 220 V and frequencies in the range of 50 – 60 Hz.

Electronics engineering is related more to smaller scale systems. These smaller scale systems tend to be DC (Direct current) and include devices such as the microprocessor and microcontroller. 

Another way to look at it is, that electrical engineering deals with “heavier currents” whereas electronics engineering deals with “lighter currents”. 

Application 

Another area that separates the two is their applications. 

As I mentioned earlier the differences in applications, depending on what the problem may be, or what the customers needs are, will call on the help of either electrical or electronics engineering.

If one requires the designing of the wiring and lighting of a new building then electrical engineering is the discipline that will be the best fit.

If the application requires the designing of the next best mobile phone, then electronics engineering is more suitable. 

Which is better?

There is no measuring stick to compare which one is better than the other. It all comes down to what the application demands. In the world we live in now, we wouldn’t be able to do without either of them.

So it just shows how important both are equally, and the need for them in our everyday life.

If you are someone who is deciding on whether to be an Electrical or Electronics Engineer, it all comes down to what you are passionate about. Do not let it be because you think one is better than the other. Let your passion be the defining factor.

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