An L = 53.0 cm wire is moving to the right at a speed of v = 6.70 m/s across two parallel wire rails that are connected on the left side, as shown in the figure. The whole apparatus is immersed in a uniform magnetic field that has a magnitude of B = 0.870 T and is directed into the screen. What is the emf E induced in the wire?
An L = 53.0 cm wire is moving to the right at a speed of v = 6.70 m/s across two parallel wire rails that are connected on the left side, as shown in the figure. The whole apparatus is immersed in a uniform magnetic field that has a magnitude of B = 0.870 T and is directed into the screen. What is the emf E induced in the wire?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:An L = 53.0 cm wire is moving to the right at a speed of
v = 6.70 m/s across two parallel wire rails that are connected
on the left side, as shown in the figure. The whole apparatus is
immersed in a uniform magnetic field that has a magnitude of
B = 0.870 T and is directed into the screen.
L
What is the emf E induced in the wire?
E =
V
The induced emf causes a current to flow in the circuit formed
by the moving wire and the rails.
In which direction does the current flow around
the circuit?
counterclockwise
clockwise
If the moving wire and the rails have a combined total
resistance of 1.75 2, what applied force F would be required
to keep the wire moving at the given velocity? Assume that
there is no friction between the moving wire and the rails.
F =
N
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