As shown in the figure below, you exert a constant force F to the right on a conducting rod of length 20.0 cm that can move without friction along a pair of conducting rails. The rails are connected at the left end by a resistor of resistance 10.0 2, and we can assume that the resistance of each rail and the rod is negligible in comparison to the resistance of the resistor. There is a uniform magnetic field of magnitude 1.00 T directed into the page, and the rod begins from rest. Both the rails and the magnetic field extend a long way to the right. Note that you should be able to do this problem without a calculator. F (a) A long time after the rod begins to move, it reaches a constant speed of 2.00 m/s. When the rod reaches its maximum speed, what is the magnitude of the induced current in the loop? In what direction is this induced current? O clockwise O counterclockwise (b) What is the magnitude of the constant force F you exert on the rod for the rod to reach a maximum speed of 2.00 m/s? N

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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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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As shown in the figure below, you exert a constant force F to the right on a conducting rod of length 20.0 cm that can move without friction along a pair of conducting rails. The
rails are connected at the left end by a resistor of resistance 10.0 , and we can assume that the resistance of each rail and the rod is negligible in comparison to the
resistance of the resistor. There is a uniform magnetic field of magnitude 1.00 T directed into the page, and the rod begins from rest. Both the rails and the magnetic field
extend a long way to the right. Note that you should be able to do this problem without a calculator.
T
RE
(a) A long time after the rod begins to move, it reaches a constant speed of 2.00 m/s. When the rod reaches its maximum speed, what is the magnitude of the induced
current in the loop?
A
In what direction is this induced current?
O clockwise
O counterclockwise
(b) What is the magnitude of the constant force F you exert on the rod for the rod to reach a maximum speed of 2.00 m/s?
N
Transcribed Image Text:As shown in the figure below, you exert a constant force F to the right on a conducting rod of length 20.0 cm that can move without friction along a pair of conducting rails. The rails are connected at the left end by a resistor of resistance 10.0 , and we can assume that the resistance of each rail and the rod is negligible in comparison to the resistance of the resistor. There is a uniform magnetic field of magnitude 1.00 T directed into the page, and the rod begins from rest. Both the rails and the magnetic field extend a long way to the right. Note that you should be able to do this problem without a calculator. T RE (a) A long time after the rod begins to move, it reaches a constant speed of 2.00 m/s. When the rod reaches its maximum speed, what is the magnitude of the induced current in the loop? A In what direction is this induced current? O clockwise O counterclockwise (b) What is the magnitude of the constant force F you exert on the rod for the rod to reach a maximum speed of 2.00 m/s? N
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