1.

A conducting wire bent in the from of a parabola `y^(2)=2x` carries a current `i=2A` as shown in figure This wire is placed in a unifrom magnetic field `oversetrarrB = - 4hatk` Tesla The magnetic force on the wire is (newton) .A. `16sqrt(2)N-m`B. `16N-m`C. `18sqrt(2)N-m`D. zero

Answer» Since `vecM||^(r)` to `vecB`
`therefore` torque zero


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