A rigid circular loop has a radius of 0.20 m and is in the xy-plane. A clockwise current /is carried by the loop, as shown. The magnitude of the magnetic moment of the loop is 0.75 A-m2. A uniform external magnetic field, B = 0.20 T in the positive x-direction, is present. An external torque changes the orientation of the loop from one of lowest potential energy to one of highest potential energy. The work done (in J) by this external torque is closest to: 0.20 m a B =0.20 T 0.40 0.50 00.60 0.30 020

A rigid circular loop has a radius of 0.20 m and is in the xy-plane. A clockwise current /is carried by the loop, as shown. The magnitude of the magnetic moment of the loop is 0.75 A-m2. A uniform external magnetic field, B = 0.20 T in the positive x-direction, is present. An external torque changes the orientation of the loop from one of lowest potential energy to one of highest potential energy. The work done (in J) by this external torque is closest to: 0.20 m a B =0.20 T 0.40 0.50 00.60 0.30 020

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 24P: A current loop with magnetic dipole moment is placed in a uniform magnetic field , with its moment...

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