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A particle having charge of 1.C , mass 1...

A particle having charge of `1.C` , mass `1kg` and speed `1m//s` enters a uniform magnetic field having magnetic induction of `1T` at an angle `theta=30^(@)` between velocity vector and magnetic induction The pitch of its helical path is (in meter) .

A

`(sqrt(3)pi)/(2)`

B

`sqrt(3)pi`

C

`(pi)/(2)`

D

`pi`

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The correct Answer is:
B
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