EBK PHYSICS FOR SCIENTISTS AND ENGINEER
6th Edition
ISBN: 9781319321710
Author: Mosca
Publisher: VST
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Chapter 22, Problem 37P
(a)
To determine
The electric field in three regions:
(b)
To determine
Ratio of charges
(c)
To determine
Sketch of the electric field lines for Part
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A solid insulating sphere of radius R containsa positive charge that is distributed with a volume charge density that does not depend
on angle but does increase linearly with distance from the sphere center. Which of the graphs below correctly gives the magnitude E of
the electric field as a function of the distancer from the center of the sphere?
EL
E
R
A
C
E
E
O A
OB
OD
OE
A line of charge is surrounded by another charged cylindrical shell. The line and the shell are
concentric. Charge density of the line is 1 = -6 µC/m. Cylindrical shell is made up of a conducting material
with inner radius 7 cm and outer radius 10 cm, and cylinder height 25 cm. The charge on the shell is Q = 4 µC.
11.
a) Find the electric field at points 3 cm away from the line.
b) Show the charge distribution of the cylinder and find the electric field at a point inside the shell.
c) Find the electric field at a point 12 cm from the center.
25cm
Answers: a) E = 3.6 x106 N/C (radially inward); b) E=0 ;
d) E= 1.5 x 106 N/C (radially outward)
-1.5 μC
+1.5 µC
42.5 μC
Ggg
Chapter 22 Solutions
EBK PHYSICS FOR SCIENTISTS AND ENGINEER
Ch. 22 - Prob. 1PCh. 22 - Prob. 2PCh. 22 - Prob. 3PCh. 22 - Prob. 4PCh. 22 - Prob. 5PCh. 22 - Prob. 6PCh. 22 - Prob. 7PCh. 22 - Prob. 8PCh. 22 - Prob. 9PCh. 22 - Prob. 10P
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