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A rigid circular loop of radius r and ...

A rigid circular loop of radius r and mass m lies in the x-y plane on a flat table and has a current i flowing in the it. At this particular place, the earth's magnetic field is `B= B_(x)hati+ B_(z)hatk` .The value of i. so that one edge of the loop lifts from the tables is

A

`(mg)/(pisqrt(B_x^2+B_2^2))`

B

`(mg)/(pirB_x)`

C

`(mg)/(pirB_z)`

D

`(mg)/(pisqrt(B_xB_z))`

Text Solution

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The correct Answer is:
B
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