EBK PHYSICS FOR SCIENTISTS & ENGINEERS
5th Edition
ISBN: 9780134296074
Author: GIANCOLI
Publisher: VST
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Textbook Question
Chapter 28, Problem 20P
(II) Repeat Problem 19 if the wire at x = 0 carries twice the current (2I) as the other wire, and in the opposite direction.
19. (II) Let two long parallel wires, a distance d apart, carry equal currents I in the same direction. One wire is at x = 0, the other at x = d, Fig. 28–38. Determine
FIGURE 28–38 Problems 19 and 20.
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(a) Two long parallel wires, each 2.0 mm in diameter and
9.00 cm apart, carry equal 1.0-A currents in the same direc-
tion, Fig. 20-75. Determine B along the x axis between the
wires as a function
of x. (b) Graph
B vs. x from
x = 1.0 mm to
x = 89.0 mm.
y
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FIGURE 20–75
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210/31|1
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A long wire carries a furrent 10/in the shown direction. A second wire of length
61 carrying a current Vin the direction as seen in the figure is placed at a di stan ce
along y axis. The distance of the closest end of this wire from the first wire is d.
What is the torque on the wire of length Sicalculated according to the axis defined
by the long wire?
6L
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(k) B)–
(k) C)
(k) D) 64oL
(k)
E)
(Ê)
The force produced by two parallel wires with currents running in the same
direction will be
repulsive.
zero.
attractive.
O along the axis of symmetry.
Chapter 28 Solutions
EBK PHYSICS FOR SCIENTISTS & ENGINEERS
Ch. 28 - The magnetic field due to current in wires in your...Ch. 28 - Compare and contrast the magnetic field due to a...Ch. 28 - Two insulated long wires carrying equal currents I...Ch. 28 - Prob. 4QCh. 28 - (a) Write Ampres law for a path that surrounds...Ch. 28 - Use the Biot-Savart law to show that the field of...Ch. 28 - Prob. 9QCh. 28 - Why does twisting the lead-in wires to electrical...Ch. 28 - Compare the Biot-Savart law with Coulombs law....Ch. 28 - Will a magnet attract any metallic object, such as...
Ch. 28 - An unmagnetized nail will not attract an...Ch. 28 - Prob. 18QCh. 28 - Prob. 5PCh. 28 - (II) A third wire is placed in the plane of the...Ch. 28 - Prob. 18PCh. 28 - (II) Let two long parallel wires, a distance d...Ch. 28 - (II) Repeat Problem 19 if the wire at x = 0...Ch. 28 - Prob. 36PCh. 28 - (II) A wire, in a plane, has the shape shown in...Ch. 28 - (II) A circular conducting ring of radius R is...Ch. 28 - Prob. 40PCh. 28 - Prob. 56GPCh. 28 - A rectangular loop of wire carries a 2.0-A current...Ch. 28 - Prob. 60GPCh. 28 - A 175-g model airplane charged to 18.0 mC and...
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