# A charge of 40 C passes through a circuit every 5 s. If the circuit can generate 40 W of power, what is the circuit's resistance?

Charge =$40 c$
Time=$5 s$
$I = \frac{C}{T}$
I=$8 A$
$P = {I}^{2} R$
$R = \frac{P}{I} ^ 2$
$R = \frac{40}{64} = 0.625 o h m$