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in j.j thomson's method ,electric field ...

in `j.j` thomson's method ,electric field of intensity `E`, magnetic field of induction `B` and velocity `V` of the electron were in mutually perpendicular direction . The condition for velocity is

A

`V=E//B`

B

`V=B//E`

C

`V=BE`

D

`V=sqrt(B/E)`

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The correct Answer is:
A
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