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KCET2011PhysicsMagnetic Effects of Current

A particle of charge e and mass m moves with a velocity v in a magnetic field B applied perpendicular to the motion of the particle. The radius r of its path in the field is

Options

  1. Am v B e
  2. BB e m v
  3. Ce v B m
  4. DB v e m

Correct answer

A. m v B e

Step-by-step solution

Radius of path, r- m v q B Here, q=e So, r= m v e B

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