A magnetised wire is bent into an arc of...

A magnetised wire is bent into an arc of a circle subtending an angle `60^(@)` at its centre. Then its magnetic moment is X. If the same wire is bent into an are of a circle subtending an angle `90^(@)` at its centre then its magnetic moment will be

A

`(xsqrt2)/3`

B

`x/3`

C

`((2sqrt2)x)/3`

D

`(3x)/(2sqrt2)`

Text Solution

Verified by Experts

The correct Answer is:

C

`M^(1)=(2Msin(theta/2))/theta`

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