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A circular flexible loop of wire of radi...

A circular flexible loop of wire of radius r carrying a current I is placed in a uniform magnetic field B perpendicular to the plane of the circle, so that wire comes under tension. If B is doubled, then tension in the loop

A

Is zero

B

Is more than iBR

C

Is less than iBR

D

Does not dead on rotation

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AAKASH INSTITUTE ENGLISH-TEST 2-Exercise
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