What is electric power? derive an expression for the electric power in terms of I and R where I is a current flowing through a conductor of resistance R.
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Hence, the expression for the electrical power spent in flow of current through a conductor in terms of resistance and potential difference is given as P=RV2.
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Electric power is the rate, per unit time, at which electrical energy is transferred by an electric circuit. The SI unit of power is the watt, one joule per second. Electric power is usually produced by electric generators, but can also be supplied by sources such as electric batteries
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