A charged particle moves along a circle under the action of passible constant electric and magnetic fields. Which of the following are possible?

Options

A. E=0, B=0
B. `E=0 , B ne 0`
C. `E ne 0, B=0`
D. `E ne 0, B ne 0`

Answer

B

Explanation

A charged paritcle moved in a straighit line under the action an electic field whereas it moves in a circular path under the action of a magentic field thhus for the particle moving in a circular path E=0 `B ne 0`