#### 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 Option 1)      Option 2) Option 3) Option 4)

As we learnt in

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Time period of charged particle -

- wherein

independent of speed of particle

centripetal force = magnetic force

Option 1)

Incorrect option

Option 2)

Correct option

Option 3)

Incorrect option

Option 4)

Incorrect option