question_answer

The working of a cyclotron is based on the fact that

A) the force experienced by a charged particle in an electric field is independent of its velocity

B) the radius of the circular orbit of a charged particle in a magnetic field increase with increase in its speed

C) at a given speed, the radius of the circular orbit is the same for particles having the same charge to mass ratio

D) the frequency of revolution of the particle along the circular path does not depend on its speed.