COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 20, Problem 1QAP
To determine
If a current is suddenly set up in loop a, is there also a current in loop b, if yes, direction of the current and the direction of the force that is exerted on loop b by loop a.
Expert Solution & Answer
Answer to Problem 1QAP
There will be current in loop b in clockwise direction
Force exerted by the loop a on loop b will be downward in direction
Explanation of Solution
Given info:
Current is suddenly set up in loop a
Concept Explanation:
When a current start to flow on loop a, changing magnetic field is created to upward direction. According to the Lenz law due to this changing magnetic field a current is induced in loop b. This current is induced in a way that resulting magnetic field due to this current opposes the magnetic field produced by loop a. Therefore, the current that flows on loop b will be the opposite direction to the current flows on loop a. Currents flows in opposite directions producing a magnetic force downwards.
Conclusion:
There will be current in loop b in clockwise direction
Force exerted by the loop a on loop b will be downward in direction
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Students have asked these similar questions
Name
Assume there is the following simplified grade book:
Homework Labs | Final Exam | Project
Avery
95
98
90
100
Blake
90
96
Carlos
83
79
Dax
55
30
228
92
95
79
90
65
60
Assume that the weights used to compute the final grades are homework 0.3, labs 0.2,
the final 0.35, and the project 0.15.
| Write an explicit formula to compute Avery's final grade using a single
inner product.
Write an explicit formula to compute everyone's final grade simultane-
ously using a single matrix-vector product.
1. Explicitly compute by hand (with work shown) the following Frobenius inner
products
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(a) ((º º º). (156
(b)
10.9
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3.
Let
4 0
0
00 0
0
1.2
0
00 0
0
0
-10.1 0 0
0
D =
0
0
0
00 0
0
0
0
05 0
0
0
0
0 0 2.8
Either explicitly compute D-¹ or explain why it doesn't exist.
Chapter 20 Solutions
COLLEGE PHYSICS
Ch. 20 - Prob. 1QAPCh. 20 - Prob. 2QAPCh. 20 - Prob. 3QAPCh. 20 - Prob. 4QAPCh. 20 - Prob. 5QAPCh. 20 - Prob. 6QAPCh. 20 - Prob. 7QAPCh. 20 - Prob. 8QAPCh. 20 - Prob. 9QAPCh. 20 - Prob. 10QAP
Ch. 20 - Prob. 11QAPCh. 20 - Prob. 12QAPCh. 20 - Prob. 13QAPCh. 20 - Prob. 14QAPCh. 20 - Prob. 15QAPCh. 20 - Prob. 16QAPCh. 20 - Prob. 17QAPCh. 20 - Prob. 18QAPCh. 20 - Prob. 19QAPCh. 20 - Prob. 20QAPCh. 20 - Prob. 21QAPCh. 20 - Prob. 22QAPCh. 20 - Prob. 23QAPCh. 20 - Prob. 24QAPCh. 20 - Prob. 25QAPCh. 20 - Prob. 26QAPCh. 20 - Prob. 27QAPCh. 20 - Prob. 28QAPCh. 20 - Prob. 29QAPCh. 20 - Prob. 30QAPCh. 20 - Prob. 31QAPCh. 20 - Prob. 32QAPCh. 20 - Prob. 33QAPCh. 20 - Prob. 34QAPCh. 20 - Prob. 35QAPCh. 20 - Prob. 36QAPCh. 20 - Prob. 37QAP
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