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A massless square loop,of wire of resist...

A massless square loop,of wire of resistance `10Omega`,supporting a mass of `1g`,hangs vertically with one of its sides in a uniform magnetic field of `10^(3)G`,directed outwards in the shaded region.A de voltage `V` is applied to the loop.For what value of `V`,the magnetic force will exactly balance the weight of the supporing mass of `19`? (If sides of the loop`=10cm,g=10ms^(-2)`)

A

`(1)/(10)V`

B

`1V`

C

`100V`

D

`10V`

Text Solution

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The correct Answer is:
D
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