A current of 11.1 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.

University Physics Volume 2
18th Edition
ISBN:9781938168161
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Chapter11: Magnetic Forces And Fields
Section: Chapter Questions
Problem 11.3CYU: Check Your Understanding A straight, flexible length of copper wire is immersed in a magnetic field...
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A current of 11.1 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. 0.75
B. 0.87
C. 1.17
D. 1.06
E. 0.39
Transcribed Image Text:A current of 11.1 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. 0.75 B. 0.87 C. 1.17 D. 1.06 E. 0.39
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