Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Textbook Question
Chapter 8.2, Problem 1cT
Suppose that loop 2 were removed completely. Consider the circular path that the wire of loop 2 used to occupy.
• Would there still be an emf along the path? Explain.
• Would there still be a current along the path? Explain.
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A shunt-wound DC motor with the field coils and rotor
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is 250 N. The resistance of the rotor, R;, is 4.40 N.
When the motor is running, the rotor develops an emf E.
The motor draws a current of 4.50 A from the line.
Compute the emf E .
• View Available Hint(s)
Friction losses amount to 50.0 W.
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E =
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Compute the rate of development of thermal energy in the field windings.
Vac
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E, R
Express your answer in watts.
• View Available Hint(s)
Πνα ΑΣφ
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Q3: Simplify the following circuit, and draw the simplified circuit?
B
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Electric Generators• Calculate the emf induced in a generator.• Calculate the peak emf which can be induced in a particular generator system.
Chapter 8 Solutions
Tutorials in Introductory Physics
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