27 A particle of mass M and charge Q moving with velocity describes a circular path of radius R when subjected to a uniform

Question

27 A particle of mass M and charge Q moving with velocity describes a circular path of radius R when subjected to a uniform transverse magnetic field of induction B The work done by the field when the particle completes one full circle is Mv A BQv2rR B R 2xR C zero D BQ2TR

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