In a coil of area 12cm^2 and 20 turns with a magnetic field directed perpendicular to the plane and is changing at the rate of 10^4 T/s. The resistance of the coil is 102. Calculate the current in the coil.

In a coil of area 12cm^2 and 20 turns with a magnetic field directed perpendicular to the plane and is changing at the rate of 10^4 T/s. The resistance of the coil is 102. Calculate the current in the coil.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter13: Electromagnetic Induction

Section: Chapter Questions

Problem 67AP: A coil with 50 turns and area 10cm2 is oriented with its plane perpendicular to a 0.75-T magnetic...

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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.

Question

In a coil of area 12cm^2 and 20 turns with a magnetic field directed perpendicular to the plane and is changing at the rate of 10^4 T/s. The resistance
of the coil is 100. Calculate the current in the coil.
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