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Speed of an electron passing undeviated ...

Speed of an electron passing undeviated through a region of cross electric and magnetic fields of magnitude `4 xx 10^(5)` V/m and `0.02 Wb//m^(2)` respectively in meter per second is

A

`2 xx 10^(6)`

B

`8 xx 10^(7)`

C

`8 xx 10^(6)`

D

`2 xx 10^(7)`

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The correct Answer is:
D
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