INTRODUCTION
Today’s world we are living in is what we call as the “Amazingly High-tech World” surrounded with gadgets, updated appliances and other electronic devices. Every one of us is already dependent and infused with electronics including teachers, entrepreneurs, engineers, students and the like. We can say that without the presence of electronics we can hardly do things on our own because it is very beneficial for us in our works and even the learning it can offer. We may not know or we may not be conscious that the reason that we are so relaxed in our living is because of electronics. Have you wondered how can we communicate so easily considering that you’re miles apart? How can you do your assignments with lots of reference? How can you be updated in social media? It is simply because of electronics. We cannot change the fact that there are also disadvantages of the products of electronics like the gadgets and other technologies, many would become lazy and not productive but if you can really manage and use technologies well then I must say congratulations, you have not been abusing the blessings you got. If you’re doing the opposite, I must suggest that you should read further about this book.
History
To have a better understanding about electronics let us take a look first on how it started.
We have Benjamin Franklin who studied the lightning on 1746 to 1752. He was able to investigate about static electricity by flying a kite if there is lightning. By that he concluded that lightning is a form of static electricity and that made him the inventor of lightning rod.
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Count Alessandro Volta was born in Italy and came from a noble family. He made the first battery out of his investigation on a frog leg about the source of electricity. He studied this in 1800. The unit voltage is named after him.
Michael Faraday is the famous physicist and chemist. He was born on September 22, 1791 in United Kingdom and was raised in a poor family, but because of his curiosity, he was able to invent many things. One of his inventions is the electric motor. The unit of capacitance is made after him.
Nikola Tesla was born on July 10, 1856 in Croatia. He devised the alternating-current (AC) systems that form the modern electrical power industry. He is also the inventor of the Tesla coil. The unit of magnetic field density is named after him.
William Shockley was born on February 13, 1910 in United Kingdom. According to Time Magazine he was one of the century’s most important scientists. He created the transistor.
George Westinghouse Jr. was born on October 6, 1846 in New York. He was an American entrepreneur and the Westinghouse Companies are named after him. He invented the air brake system and pursued alternating current to replace the direct current system of Edison.
Those mentioned above are some of the people who have great contributions in the field of electronics. They were geniuses and very productive persons and we have to commend them because if not for them we can’t be able to make things easier and simpler.
Electronics has never been easy but has never been difficult as well. It goes both ways, it depends on how interested and manipulative you are in understanding electronics. It is a branch of physics and technology that deals with the study of the application of electronic devices and the flow of current. It includes on how GPS works, all about automatic identification, radio frequency identification and the common electronic devices like resistors, capacitors, transistors and diodes that will be encountered in the next chapters.
Electronics isn’t just about calculating currents, voltages, and resistances you can also learn some skills to build the stuff. There are still a lot of things that electronics can offer and you will learn about that in this book.
Resistors
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Capacitor
https://goo.gl/GYwuMh
Diodes
https://goo.gl/sBkYHT
Transistor
https://goo.gl/m575pd
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