Physics for Scientists & Engineers, Volume 2 (Chapters 21-35)
5th Edition
ISBN: 9780134378046
Author: GIANCOLI, Douglas
Publisher: PEARSON
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Chapter 28, Problem 38P
(II) A circular
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(I) Find the force (magnitude and direction) on a proton traveling 3.72 x 105 m/s horizontally to the west in a vertically upward magnetic field of strength 1.40 T.
magnitude
N
direction
to the north
to the west
to the east
to the south
(III) A Hall probe, consisting of a thin rectangular slab of
current-carrying material, is calibrated by placing it in
a known magnetic field of magnitude 0.10 T. When the
field is oriented normal to the slab’s rectangular face,
a Hall emf of 12 mV is measured across the slab's width.
The probe is then placed in a magnetic field of unknown
magnitude B, and a Hall emf of 63 mV is measured.
Determine B assuming that the angle 0 between the
unknown field and the plane of the slab's rectangular face
is (a) 0 = 90°, and (b) 0 = 60°.
(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
-d = 9.00 cm –
I
FIGURE 20–75
Chapter 28 Solutions
Physics for Scientists & Engineers, Volume 2 (Chapters 21-35)
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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