Answer
28.8 $\Omega$
Work Step by Step
The formula to be used here is,
P=$\frac{V^{2}}{R}$
Rearranging the formula to make R the subject of the formula,
R=$\frac{V^{2}}{P}$
As shown in the question, V=120 V and P=500 W
Substituting these values into the formula, we find that R=28.8 $\Omega$
