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Resistance: Definition, Symbol,Working Principle, Use of It

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     When we apply electric potential across any conductor, bulb or heater coil then electric  current flows through it but when electric current starts flowing through the conductor the conductor material opposes the flow of electric current. The reason why any conductor opposes flow of  electric current is known as resistance. Because of it when current flows through  any conductor it produces some heat.Every material has its own nature toward electric potential. On the basis of their behaviour in electrical material they are divided into three parts. Conductors( this type of materials have low resistance. It is used for making wire and coils.) Semiconductor (this type of materials have resistance more than conductor but less than Insulators.) Insulators (this type of materials have high resistance. Such type of materials are not flow of electric current through itself. ) In this article we know more about resistance and resistor  Table of conte...

Some Important Terminology Related to Electrical Engineering

Hi friend, Here I will share with you some important terminology to you related to electrical engineering.If you  learn about electrical engineering or physics then you should know all the terminology that I will share with you in this article.After knowing basic terms of electrical engineering you could better understand the electrical related subjects.I hope you will enjoy this article. In this article i will share will you terminology like :- Electric charge  Free electron Electric current  Electric potential  Electric potential difference (voltage)  Electromotive force  Drift velocity  Resistance  Resistivity Conductance  Conductivity  Effect of temperature on resistance  Ohm's law  Electric power  Electrical energy  Commercial unit of electrical energy  Electric material  I will cover these topics in this article.      Basic term those used often in electrical engineering.  1.El...