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The torque experienced by a given curren...

The torque experienced by a given current carrying loop in a uniform magnetic field `vec(B)` given by `B_(0)(hat i- hat j)` would have magnitude

A

`sqrt(2)B_(0)a^(2)I`

B

zero

C

`2B_(0)a^(2)I`

D

`B_(0)a^(2)I`

Text Solution

Verified by Experts

The correct Answer is:
B
`vec(M)=Ia^(2)[-hat(i)+hat(j)], vec(tau)=vec(M)xxvec(B)`,
Solve to get `tau=0`.
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