Define power. Derive its formula and write its unit.
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it's SI unit is Watt (W). power = work done / time taken. we know that work done by current I when it flows for time T under potential difference V is given by : W = V*I*T joules. so, power = V*I*T / T joules per second.
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Answer + Explanation:
it's SI unit is Watt (W). power = work done / time taken. we know that work done by current I when it flows for time T under potential difference V is given by : W = V*I*T joules. so, power = V*I*T / T joules per second.
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