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An electron of charge e is going around ...

An electron of charge e is going around in an orbit of radius R meters in a hydrogen atom with velocity v `m//sec`. The magnetic flux density associated with it at its centre is

A

`2 pi v er^(2)`

B

`( pi v r^(2))/( 2)`

C

`pi e v r^(2)`

D

`(pi v r^(2) )/(4)`

Text Solution

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The correct Answer is:
C
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