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A charged particle (charge q) is moving...

A charged particle (charge `q`) is moving in a circle of radius `R` with unifrom speed `v`. The associated magnetic moment `mu` is given by

A

`(qvR)/(2)`

B

`qvR^(2)`

C

`(qvR^(2))/(2)`

D

`qvR`

Text Solution

Verified by Experts

The correct Answer is:
A
`mu = 1A , as I = (e omega)/(2pi ) = (ev)/(R (2pi))`
`A = pi R^(2)`
`therefore mu = (ev)/(2pi R) pi R^(2) = (evR)/(2)` or `(qvR)/(2)`
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