defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Physics Moving Charges and Magnetism Motion in a Magnetic Field
A charged particle of mass m and charge q travels on a circular path of radius r i.e., perpendicular to the magnetic field B. The time taken by particle to complete one revolution is :
1
2πqB/m
2
2πm/qB
3
2πmq/B
4
None of these