A charged particle revolves in circular path in uniform magnetic field after accelerating by a p...

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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.
(a) kinetic energy of particle will become two times
(b) radius in circular path will become two times
(c) radius in circular path will become \( \sqrt{2} \) times
\( P \)
(d) angular velocity will remain unchanged
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