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A uniformly charged ring having linear c...

A uniformly charged ring having linear charge density λ is rotating in X-Y plane with uniform angular speed o about its own axis inside the uniform magnetic field B along the y direction. The magnitude of maximum torque acting on the ring about its diameter is

A

`λωBpiR^3`

B

`(λωBpiR^3)/2`

C

`2λωBpiR^3`

D

`3λωBpiR^3`

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