A current of 4.0 A is maintained in a circular loop with radius 29.6 cm that consists of 50 turns of wire. 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 exerted on the loop by the magnetic forces acting upon it. a. 37.7 N.m O b. 131.4 N.m O c. 175.2 N.m O d. 103.4 N.m O e. 1.9 N.m

A current of 4.0 A is maintained in a circular loop with radius 29.6 cm that consists of 50 turns of wire. 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 exerted on the loop by the magnetic forces acting upon it. a. 37.7 N.m O b. 131.4 N.m O c. 175.2 N.m O d. 103.4 N.m O e. 1.9 N.m

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter22: Magnetic Forces And Magnetic Fields

Section: Chapter Questions

Problem 27P

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