Magnetic Effects of Current and Magnetism: JEE Main 2005 Physics question

JEE Main 2005 · Annual, Paper 1 · Q7736

JEE Main 2005Annual, Paper 1PhysicsEasyMagnetic Effects of Current and Magnetism165× since 2002

A charged particle of mass

m

and charge

q

travels on a circular path of radius

r

that is perpendicular to a magnetic field

B.

The time taken by the particle to complete one revolution is