A charged particle of mass m and charge q moves along 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

Options

(a) 2μmq/B
(b) 2πq²B/m
(c) 2πqB/m
(d) 2πm/qB

Correct Answer:

2πm/qB

Explanation:

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