PhysicsEasy116×since 2002Q7736A charged particle of mass mmm and charge qqq travels on a circular path of radius rrr that is perpendicular to a magnetic field B.B.B. The time taken by the particle to complete one revolution isA2πq2Bm{{2\pi {q^2}B} \over m}m2πq2BB2πmqB{{2\pi mq} \over B}B2πmqC2πmqB{{2\pi m} \over {qB}}qB2πmD2πqBm{{2\pi qB} \over m}m2πqBCheck answerSkip