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A charged particle of charge 4 mC enters...

A charged particle of charge 4 mC enters a uniform magnetic field of induction `vecB = 3bari+6barj+6bark` tesla with a velocity `barv = 4bari-xbarj+y bat k`. If the particles continues to move undeviated, then the magnitude of velocity of the particle is

A

10 m/s

B

15 m/s

C

12 m/s

D

8 m/s

Text Solution

Verified by Experts

The correct Answer is:
C
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