Question: The plane of a 5.0 cm X 8.0 cm rectangular loop of wire is parallel to a 0.19-T magnetic field. The loop carries a current

The plane of a 5.0 cm X 8.0 cm rectangular loop of wire is parallel to a 0.19-T magnetic field. The loop carries a current of 6.2 A.
(a) What torque acts on the loop?
(b) What is the magnetic moment of the loop?
(c) What is the maximum torque that can be obtained with the same total length of wire carrying the same current in this magnetic field?

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