Answered: A circular wire of a diameter 18 cm…

A circular wire of a diameter 18 cm placed in a uniform magnetic field of 4 mT. The wire carries a current of 8 A. What is the maximum potential energy stored in the wire-field system?

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter8: Basic Electric Motors

Section: Chapter Questions

Problem 3RQ

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Question

A circular wire of a diameter 18 cm placed in a uniform magnetic field of 4 mT. The wire carries a current of 8 A. What is the
maximum potential energy stored in the wire-field system?
24 -
O A) 326 J
O B) 814 µJ
C) 814 mJ
O D) 814 J
O E) 3.26 mJ

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