Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 28, Problem 42P
(a)
To determine
The magnitude of induced emf in the loop.
(b)
To determine
The induced current in the loop.
(c)
To determine
The power dissipation in the loop.
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A square wire loop 20 cm on a side, with resistance20 m , has its plane normal to a uniform magnetic field of magnitudeB = 2.0 T. If you pull two opposite sides of the loop awayfrom each other, the other two sides automatically draw towardeach other, reducing the area enclosed by the loop. If the area is reducedto zero in time t = 0.20 s, what are (a) the average emf and(b) the average current induced in the loop during t?
A square current loop is placed in a uniform magnetic fieldof magnitude 0.65 T directed into the page. The loop’s sidelength changes from 20.0 cm to 6.0 cm in 0.50 s.
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Chapter 28 Solutions
Physics for Scientists and Engineers
Ch. 28 - Prob. 1PCh. 28 - Prob. 2PCh. 28 - Prob. 3PCh. 28 - Prob. 4PCh. 28 - Prob. 5PCh. 28 - Prob. 6PCh. 28 - Prob. 7PCh. 28 - Prob. 8PCh. 28 - Prob. 9PCh. 28 - Prob. 10P
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