question_answer

The radius of circular path of an electron when subjected to a perpendicular magnetic field is [Pb. PMT 1999; DCE 2000; MH CET (Med.) 2000]

A)            \[\frac{mv}{Be}\]               

B)            \[\frac{me}{Be}\]

C)            \[\frac{mE}{Be}\]               

D)            \[\frac{Be}{mv}\]