When a particle of charge q and mass m enters into a uniform magnetic field B moving with a velocity v perpendicular to the direction for the field it describes a circular path of radius___________________? | MCQ Hive

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Q When a particle of charge q and mass m enters into a uniform magnetic field B moving with a velocity v perpendicular to the direction for the field it describes a circular path of radius___________________?

A A. R=qb/mv
B B. R=mv/qb
C C. R=qmv/b
D D. R=qmb/v

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