College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Transcribed Image Text:A metal bar is sliding on conducting rails at a speed of 40 m/s as shown below. There is a magnetic field pointing out of the page. The resistance
of the bar is 1.6 0. There is a, induced current of 4.1 A in the bar. What is the direction of the current in the bar? What is the magnitude of the
magnetic field B? What is the magnitude of the applied force needed to keep the bar traveling at this speed? Put the value of B in the answer
box.
B
36 cm
v = 40 m/s
Answer:
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