7. A long, straight conductor carries a current of 150 A. At what distance from the conductor is the magnetic field caused by the current equal to the Earth's magnetic field? A. 0.66 m B. 0.60 m C. 0.06 m D. 0.4 m

7. A long, straight conductor carries a current of 150 A. At what distance from the conductor is the magnetic field caused by the current equal to the Earth's magnetic field? A. 0.66 m B. 0.60 m C. 0.06 m D. 0.4 m

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter22: Magnetism

Section: Chapter Questions

Problem 62PE: Inside a motor, 30.0 A passes through a 250-turn circular loop that is 10.0 cm in radius. What i5...

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Question

7. A long, straight conductor carries a current of 150 A. At what distance from the conductor is the magnetic field caused by the
current equal to the Earth's magnetic field?
A. 0.66 m
B. 0.60 m
C. 0.06 m
D. 0.4 m

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