### H in Parallel Universe

##### Score: 1 Point

An $e^{-}$ is revolving in the $1^{st}$ orbit of $H$ atom with a velocity of $200 ms^{-1}$. The current due to the revolution of $e^{-}$ can be expressed as $a×10^b$, where $a$ is not an integer. Find the value of $|b|$.

Electricity

Tried 59

Solved 30