COLLEGE PHYSICS LL W/ 6 MONTH ACCESS
2nd Edition
ISBN: 9781319414597
Author: Freedman
Publisher: MAC HIGHER
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Chapter 19, Problem 59QAP
To determine
The force (magnitude and direction) acting on a
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6) Define the Hall coefficient. Estimate magnitude of the Hall voltage for a specimen of sodium (Na)
in the form of a rod of rectangular cross-section, with dimensions 6 mm x 6 mm. The rod carries a
current of 2 A down its axis in a B of 5000 Gauss that is perpendicular to the direction of the current.
The density of Na atom is 0.968 g/cm³, and Na has an atomic mass of 22.98977 g/mol.
(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
8 Figure 29-31 shows four arrangements in which long, parallel,
equally spaced wires carry equal currents directly into or out of the
page. Rank the arrangements according to the magnitude of the
net force on the central wire due to the currents in the other wires,
greatest first.
(a)
(b)
(c)
(d)
Chapter 19 Solutions
COLLEGE PHYSICS LL W/ 6 MONTH ACCESS
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