If a current of $7 A$ $7 A$ passing through a circuit generates $9 W$ $9 W$ of power, what is the resistance of the circuit?

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Answer 1 · 2016-03-13T06:26:43

$R = 9/7^2 approx 0.18 Omega$

$P = I^2 R$
$9 = 7^2 R$

$R = 9/7^2 approx 0.18 Omega$

If a current of 7 A7A7 A passing through a circuit generates 9 W9W9 W of power, what is the resistance of the circuit?