# A charge of 18 C passes through a circuit every 24 s. If the circuit can generate 18 W of power, what is the circuit's resistance?

$= 32 \Omega$
Current ,$I = \frac{Q}{t} = \frac{18}{24} = 0.75 A$
Power $P = {I}^{2} \cdot R$
Or,$R = \frac{P}{I} ^ 2 = \frac{18}{0.75} ^ 2 = 32 \Omega$