COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 19, Problem 18QAP
To determine
The magnetic field a distance d from the wire and far from its ends varies with distance d according to,
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7). Determine the current in the 10-V emf.
5.0 0
w
10 V
5.0 0
15 V
5.0 Ω
a.
2.3 A
b. 2.7 A
c.
1.3 A
d. 0.30 A
e.
2.5 A
4). What is the resistance of a wire made of a material with a resistivity of 3.2
is 2.5 m and its diameter is 0.50 mm?
a.
0.16 Ω
b. 0.10 2
C.
c. 1.28 Ω
d. 0.41 2
e. 0.81 2
108 m if its length
A flat circular coil with 135 turns, a radius of 2.28 x 10-2 m, and a resistance of 0.618 is
exposed to an external magnetic field that is directed perpendicular to the plane of the
coil. The magnitude of the external magnetic field is changing at a rate of AB/At = 0.615
T/s, thereby inducing a current in the coil. Find the magnitude of the magnetic field at the
center of the coil that is produced by the induced current.
Number
Chapter 19 Solutions
COLLEGE PHYSICS
Ch. 19 - Prob. 1QAPCh. 19 - Prob. 2QAPCh. 19 - Prob. 3QAPCh. 19 - Prob. 4QAPCh. 19 - Prob. 5QAPCh. 19 - Prob. 6QAPCh. 19 - Prob. 7QAPCh. 19 - Prob. 8QAPCh. 19 - Prob. 9QAPCh. 19 - Prob. 10QAP
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