Question: 8. A circular coil 0.0500 m in radius, with 30 turns of wire, lies in a horizontal plane ( 1 B). It carries a

8. A circular coil 0.0500 m in radius, with 30 turns of

8. A circular coil 0.0500 m in radius, with 30 turns of wire, lies in a horizontal plane ( 1 B). It carries a counterclockwise (as viewed from above) current of 5.00 A. The coil is in a uniform 1.20-T magnetic field directed toward the right. (i) Find the magnitudes of the magnetic moment and the torque on the coil. (ii) If the coil rotates from its initial orientation to vertical plane (u || B) what is the change in potential energy?

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