Solve This Electric Formula for the Indicated Variable $$E = \sqrt { W R } \text { for } W$$

Multiple Choice

Solve this electric formula for the indicated variable. $$E = \sqrt { W R } \text { for } W$$

A) $W = \frac { R } { E ^ { 2 } }$
B) $W = E ^ { 2 } R$
C) $W = \frac { E } { R }$
D) $W = \sqrt { \frac { E ^ { 2 } } { R } }$
E) $W = \frac { E ^ { 2 } } { R }$