# A charge of 12 C passes through a circuit every 3 s. If the circuit can generate 6 W of power, what is the circuit's resistance?

Apr 15, 2016

$I = \frac{q}{t} = \frac{12}{3} = 4 A$
$R = \frac{P}{I} ^ 2 = \frac{6}{4} ^ 2 = 0.375 \Omega$