Consider the arrangement shown in the figure below. Assume that R = 6.00 Q, l=1.20 m, and a uniform 2.50T magnetic field is directed into the page. At what speed ( in units of m/s) should the bar be moved to produce a current of 7.1 A in the resistor?

Consider the arrangement shown in the figure below. Assume that R = 6.00 Q, l=1.20 m, and a uniform 2.50T magnetic field is directed into the page. At what speed ( in units of m/s) should the bar be moved to produce a current of 7.1 A in the resistor?

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

Consider the arrangement shown in
the figure below. Assume that R = 6.00
0, I=1.20 m, and a uniform 2.50T
magnetic field is directed into the
page. At what speed ( in units of m/s)
should the bar be moved to produce a
current of 7.1 A in the resistor?
Bin
R
app
Select one:
А. 17.75
B. 14.20
C. 4.73
D. 28.40
E. 9.23
x x X
x x X

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