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

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter23: Faraday’s Law And Inductance

Section: Chapter Questions

Problem 4OQ: A circular loop of wire with a radius of 4.0 cm is in a uniform magnetic field of magnitude 0.060 T....

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Concept explainers

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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