In case of a motion of a charged particle perpendicular to the external magnetic field, which of the following provides the centripetal force?

qvB Cos θ \(\frac{qvB }{r}\)  Sin θ qvB Sin θ None of these.

qvB Sin θ

In case of a motion of a charged particle perpendicular to the external magnetic field, qvB Sin θ provides the centripetal force.