Two straight conducting rails form a right angle as shown in the figure. A conducting bar with the specific resistance of 0.125 0 per meter is in contact with the rails. The rails have no X x x x X X X x x x X X X X X x x x x x x x x x x xx xx x x X X x xx xx x X X X X resistance. The bar starts at the vertex at time t= 0 and moves with a constant velocity of 2 m/s parallel to the median of the triangle. Conducting rails and the bar are in a uniform magnetic field with the magnitude of B =0.25 T directed into the page. What is the induced current flowing through the bar * x x x ×x x and its direction at t 2 s? x x x xx X x x x x x x xx x x x x x x x x x X X x X X X X X x x x x (CW: Clockwise, CCW: Counterclockwise looking from above) O 1A, CCW O 2A, CW O 4A, CCW O OA O None of them O 1A, CW O 2 A, CCW O 4A, CW
Two straight conducting rails form a right angle as shown in the figure. A conducting bar with the specific resistance of 0.125 0 per meter is in contact with the rails. The rails have no X x x x X X X x x x X X X X X x x x x x x x x x x xx xx x x X X x xx xx x X X X X resistance. The bar starts at the vertex at time t= 0 and moves with a constant velocity of 2 m/s parallel to the median of the triangle. Conducting rails and the bar are in a uniform magnetic field with the magnitude of B =0.25 T directed into the page. What is the induced current flowing through the bar * x x x ×x x and its direction at t 2 s? x x x xx X x x x x x x xx x x x x x x x x x X X x X X X X X x x x x (CW: Clockwise, CCW: Counterclockwise looking from above) O 1A, CCW O 2A, CW O 4A, CCW O OA O None of them O 1A, CW O 2 A, CCW O 4A, CW
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter21: Current And Direct Current Circuits
Section: Chapter Questions
Problem 69P
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