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4 August, 07:36

Explain how power is determined within a context of electricity/circuitry

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  1. 4 August, 10:44
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    Power (in watts) is the multiplication of voltage (in volts) and current (in amperes). P = VI

    and since, V = IR

    you also have

    P = I^2 R P = V^2 / R
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