A coil of radius 3 cm has 60 turns of Cu wire of diameter 4 mm. The plane of the coil is perpendicular to a field that changes at the rate of 0.2 T/s. What is the power loss in the coil? The resistivity of Cu is 1.7 x 10-8.m. mW

A coil of radius 3 cm has 60 turns of Cu wire of diameter 4 mm. The plane of the coil is perpendicular to a field that changes at the rate of 0.2 T/s. What is the power loss in the coil? The resistivity of Cu is 1.7 x 10-8.m. mW

University Physics Volume 2

18th Edition

ISBN:9781938168161

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Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 88AP: A circular coil with 200 turns Las a radius of 2.0 cm. (a) What current through tire coil results in...

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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 of iron, "Ferrum" as it was the first observed material to show such property. The property of ferromagnetism is shown by only a few substances such as iron, nickel, cobalt, and their alloys. Some transition metals and alloys of rare-earth metals also show ferromagnetism.

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A coil of radius 3 cm has 60 turns of Cu wire of diameter 4 mm. The plane of the coil is perpendicular to a field that changes at the rate of 0.2 T/s. What is the power loss in the coil? The
resistivity of Cu is 1.7 × 10-8 S. m.
mW

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