Ohm's Law, a principle discovered in 1827 and named after the German scientist, Georg Simon Ohm, is a basic law of electricity. This law defines the mathematical relationship between three fundamental electrical factors; voltage, resistance and electric current. Ohm's law can be applied to electrical circuits and is valid for both direct as well as alternating current.
What exactly is Ohm's Law?
Consider an electric circuit through which an electric current (I) is passed. According to
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