A current of 4.0 A is maintained in a circular loop with radius 32.1 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. O a. 154.6 N.m Ob.44.3 N.m O c. 2.3 N.m O d. 121.6 N.m O e. 206.1 N.m

A current of 4.0 A is maintained in a circular loop with radius 32.1 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. O a. 154.6 N.m Ob.44.3 N.m O c. 2.3 N.m O d. 121.6 N.m O e. 206.1 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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