A current of 12.3 A is maintained in a single circular loop having a circumference of 80 cm. An external magnetic field of 2.0 T is directed so that the angle between the field and the plane of the loop is 20°. Determine the magnitude of the torque (in units of N.m) exerted on the loop by the magnetic forces. Select one: A. 0.83 B. 1.18 C. 0.43 D. 1.30 E. 0.97

University Physics Volume 2
18th Edition
ISBN:9781938168161
Author:OpenStax
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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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A current of 12.3 A is maintained in a
single circular loop having a
circumference of 80 cm. An external
magnetic field of 2.0 T is directed so
that the angle between the field and
the plane of the loop is 20°. Determine
the magnitude of the torque (in units
of N.m) exerted on the loop by the
magnetic forces.
Select one:
A. 0.83
B. 1.18
C. 0.43
D. 1.30
E. 0.97
Transcribed Image Text:A current of 12.3 A is maintained in a single circular loop having a circumference of 80 cm. An external magnetic field of 2.0 T is directed so that the angle between the field and the plane of the loop is 20°. Determine the magnitude of the torque (in units of N.m) exerted on the loop by the magnetic forces. Select one: A. 0.83 B. 1.18 C. 0.43 D. 1.30 E. 0.97
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