College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Ferromagnetism
Ferromagnetism is a mechanism by which some materials show magnetic properties. Iron and magnetite, an oxide of iron, are two naturally occurring materials that show the property of ferromagnetism. The word ferromagnetism is derived from the Latin name o…
Question

A 117-turn square coil of side 20.0 cm rotates about a vertical axis at ω = 1.59  103 rev/min as indicated in the figure below. The horizontal component of Earth's magnetic field at the coil's location is equal to

2.00 x10-5 T.

(a) Calculate the maximum emf induced in the coil by this field.

20.0 cm 20.0 cm
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Transcribed Image Text:20.0 cm 20.0 cm
(b) What is the orientation of the coil with respect to the magnetic field when the maximum emf occurs? The plane of the coil is perpendicular to the magnetic field The plane of the coil is oriented 45° with respect to the magnetic field The plane of the coil is parallel to the magnetic field
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Transcribed Image Text:(b) What is the orientation of the coil with respect to the magnetic field when the maximum emf occurs? The plane of the coil is perpendicular to the magnetic field The plane of the coil is oriented 45° with respect to the magnetic field The plane of the coil is parallel to the magnetic field
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