(2). A circular coil has 0.3 m diameter with 20 turns of wire, lies in a horizontal plane. It carries a current of 35 A in a counterclockwise sense when viewed from above. The coil is in a uniform magnetic field directed toward the right as shown in the Fig. with magnitude of 22000 G. Calculate,

(2). A circular coil has 0.3 m diameter with 20 turns of wire, lies in a horizontal plane. It carries a current of 35 A in a counterclockwise sense when viewed from above. The coil is in a uniform magnetic field directed toward the right as shown in the Fig. with magnitude of 22000 G. Calculate,

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter12: Sources Of Magnetic Fields

Section: Chapter Questions

Problem 25P: A long, straight, horizontal wire carries a left-to-right current of 20 A. If the wire is placed in...

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(2). A circular coil has 0.3 m diameter with 20 turns of wire, lies in a horizontal plane. It carries a current of 35 A in a counterclockwise
sense when viewed from above. The coil is in a uniform magnetic field directed toward the right as shown in the Fig. with magnitude
of 22000 G. Calculate,
(a) The magnitude of the magnetic dipole moment (Am?)
(b) The magnitude and direction of the torque (Nm)
(c) If the coil rotates from its initial position to a position where the magnetic moment is parallel to B, the change in the potential
energy (J)

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