A circular loop of wire of radius R lies on a plane that is under the influence of a magnetic field B pointing upward. A wind suddenly blows and it brings the wire to velocity v with the wire still on the plane. The induced emf is a.) 2vBTR b.) vBTR c.) Zero d.) Cannot be determined

A circular loop of wire of radius R lies on a plane that is under the influence of a magnetic field B pointing upward. A wind suddenly blows and it brings the wire to velocity v with the wire still on the plane. The induced emf is a.) 2vBTR b.) vBTR c.) Zero d.) Cannot be determined

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter13: Electromagnetic Induction

Section: Chapter Questions

Problem 33P: A single-turn circular loop of wire of radius 50 mm lies in a plane perpendicular to a spatially...

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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

A circular loop of wire of radius R lies on a plane that is
under the influence of a magnetic field B pointing upward.
A wind suddenly blows and it brings the wire to velocity v
with the wire still on the plane. The induced emf is
a.) 2vBπR
b.) vBπR
c.) Zero
d.) Cannot be determined

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