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A current carrying circular loop of radi...

A current carrying circular loop of radius R is placed in a uniform magnetic field `B_(0)` Tesla in x-y plane as shown in figure. The loop carries a current `i = 1A` in the direction shown. Find the torqure acting on the loop

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`vecM=-piR^(2)hatk`

`vecB=B_(0)cos 45^(@)hati+B_(0)sin 45^(@)hatj`
`vec(tau)=vecxxvecB`
`=-piR^(2)hatkxx(B_(0))/(sqrt(2))(hati+hatj)`
`=(piR^(2)B_(0))/(sqrt(2))(hati-hatj)`
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AAKASH INSTITUTE-MOVING CHARGE AND MAGNESIUM-SECTION D
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