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Question

The force on the charged particle in magnitude is
  1. 23.04×106N
  2. 230.4×105N
  3. 0
  4. None of these

A
0
B
None of these
C
230.4×105N
D
23.04×106N
Solution
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Force acting on a charged particle moving in a magnetic field is

F=q(v×B)

F=qvB

=1.6×1019×4.8×106×30×106N

=23.04×106N.

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