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Question

A charged particle revolves in circular path in uniform magnetic field after accelerating by a potential difference of V volts.Choose the correct options if V is doubled.
  1. kinetic energy of particle will become two times.
  2. angular velocity will remain unchanged
  3. radius in circular path will become two times
  4. radius in circular path will become 2 times

A
kinetic energy of particle will become two times.
B
radius in circular path will become 2 times
C
radius in circular path will become two times
D
angular velocity will remain unchanged
Solution
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KE=qV or KEV

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