## Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)

$R = 50~\Omega$
When $\Delta V = 100~V$, we can see that $I = 2~A$ We can use Ohm's law to find $R$: $R = \frac{\Delta V}{I}$ $R = \frac{100~V}{2~A}$ $R = 50~\Omega$