A conducing rod of length `l` is falling with a velocity `v` perpendicular to a unifrorm horizontal magnetic field `B` . The potential difference between its two ends will be

Options

A. 2 B/v
B. B/v
C. `(1)/(2)B//v`
D. `B^(2)l^(2)v^(2)`

Answer

B

Explanation

The potential difference between two ends of conducting rods will be Bvl.