A coil with a magnetic moment of 1.50 A⋅m^2 is oriented initially with its magnetic moment antiparallel to a uniform magnetic field of magnitude 0.805 T. Part A What is the change in potential energy of the coil when it is rotated 180 degrees so that its magnetic moment is parallel to the field?

A coil with a magnetic moment of 1.50 A⋅m^2 is oriented initially with its magnetic moment antiparallel to a uniform magnetic field of magnitude 0.805 T. Part A What is the change in potential energy of the coil when it is rotated 180 degrees so that its magnetic moment is parallel to the field?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter31: Gauss’s Law For Magnetism And Ampère’s Law

Section: Chapter Questions

Problem 45PQ

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Question

A coil with a magnetic moment of 1.50 A⋅m^2 is oriented initially with its magnetic moment antiparallel to a uniform magnetic field of magnitude 0.805 T.

Part A
What is the change in potential energy of the coil when it is rotated 180 degrees so that its magnetic moment is parallel to the field?

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