# How much power is produced if a voltage of 4 V is applied to a circuit with a resistance of 32 Omega?

Feb 4, 2016

$P = 0 , 5$Watt

#### Explanation:

$P : P o w e r$
$R : \text{Resistance}$
$I : \text{Electric current}$
$V : \text{Voltage}$
$P = V \cdot I$
$V = I \cdot R$
$I = \frac{V}{R}$
$P = {V}^{2} / R$
$P = {4}^{2} / 32$
$P = \frac{16}{32}$
$P = 0 , 5$Watt