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The coil in figure carries current i=2.0...

The coil in figure carries current i=2.00 A in the direction indicated is parallel to an xz plane, has 3.00 turns and an area of `4.00xx10^(-3) m^(2),` and lies in a uniform magnetic field `overset-B=(2.00hati-3.00hatj-4.00hatk)mT.` What are (a) the orientation energy of the coil in the magnetic field and (b) the torque (in unit-vector notation) on the coil due to the magnetic field?

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The correct Answer is:
`=4" sq. units"`
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