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A loop of radius R and mass m is placed ...

A loop of radius R and mass m is placed in a uniform magnetic field B with its plane perpendicular to the field. Current I is flowing in it. Now loop is slightly rotated about its diameter and released. Find time period of oscillation.

A

`2sqrt((pim)/(IB))`

B

`sqrt((2pim)/(IB))`

C

`2sqrt((m)/(pi IB))`

D

`sqrt((m)/(pi IB))`

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The correct Answer is:
B
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