Answer to Question #183240 in Physics for Isey

Question

A spark of 20MV lightning has an energy output of 0.150 mw-s. Compute how much charge flowed through the lightning.

Answer 1

$$q=\frac{W}{U}\\q=\frac{0.15\cdot10^6}{20\cdot10^6}=0.0075\ C$$