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An electron is moving in a circular path...

An electron is moving in a circular path under the influence of transverse amgntic field of `3.57xx10^(-2)T` if the value of e/m is `1.76xx10^11` C/Kg the frequency of revolution of the electron is

A

6.28MHz

B

1GHz

C

100MHz

D

62.8MHz

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The correct Answer is:
B
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