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12 May, 17:14

The current i in an electrical conductor varies inversely as the resistance r of the conductor. the current is 2 amperes when the resistance is 770 ohms. what is the current when the resistance is 808 ohms? round your answer to two decimal places if necessary.

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  1. 12 May, 19:11
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    In an electrical circuit, the current (I) and resistance (R) are directly proportional through the equation,

    V = I x R

    where V is the potential difference. Having a constant potential difference for the two circuits,

    (2 A) x (770 ohms) = (I) x (808 ohms)

    Solving for I gives I = 1.906 A.
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