1. Find the flux through a spherical Gaussian surface of radius a = 1 m surrounding a charge of 8.85 pC. 1x 10-16N m2 /c 1x 10-12 N m2 /c c. 1x 10-8 N m2 /C d. 1N m2 /C 2. a. b.

Principles of Physics: A Calculus-Based Text
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Chapter19: Electric Forces And Electric Fields
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Problem 43P
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1. Find the flux through a spherical Gaussian surface of radius a = 1 m surrounding a charge of
8.85 pC.
1x 10-16N m2 /C
1x 10-12 N m2 /C
c. 1 x 10-8 N m2 /c
d. 1N m2 /C 2.
a.
b.
2. A positive charge Q=8 mC is placed inside the cavity of a neutral spherical conducting shell
with an inner radius a and an outer radius b. Find the charges induced at the inner and outer
surfaces of the shell.
а.
Inner charge = -8 mc, Outer charge = +8 mC
b.
Inner charge = +8 mc, Outer charge = -8 mc
Inner charge = 0 mC, Outer charge = +8 mc
Inner charge = -8 mc, Outer charge = 0 mc
С.
d.
3. A positive charge Q=8 mC is placed inside a spherical conducting shell with inner radius a and
outer radius b which has an extra charge of 4 mC placed somewhere on it. When all motion of
charges ends (after 10-15 sec), find the charges on the inner and outer surfaces of the shell.
а.
Inner charge = -8 mc, Outer charge = +8 mC
%3D
b.
Inner charge = +8 mc, Outer charge = -8 mc
Inner charge = +8 mC, Outer charge = -12 mc
С.
d.
Inner charge =-8 mc, Outer charge = 12 mc
Transcribed Image Text:1. Find the flux through a spherical Gaussian surface of radius a = 1 m surrounding a charge of 8.85 pC. 1x 10-16N m2 /C 1x 10-12 N m2 /C c. 1 x 10-8 N m2 /c d. 1N m2 /C 2. a. b. 2. A positive charge Q=8 mC is placed inside the cavity of a neutral spherical conducting shell with an inner radius a and an outer radius b. Find the charges induced at the inner and outer surfaces of the shell. а. Inner charge = -8 mc, Outer charge = +8 mC b. Inner charge = +8 mc, Outer charge = -8 mc Inner charge = 0 mC, Outer charge = +8 mc Inner charge = -8 mc, Outer charge = 0 mc С. d. 3. A positive charge Q=8 mC is placed inside a spherical conducting shell with inner radius a and outer radius b which has an extra charge of 4 mC placed somewhere on it. When all motion of charges ends (after 10-15 sec), find the charges on the inner and outer surfaces of the shell. а. Inner charge = -8 mc, Outer charge = +8 mC %3D b. Inner charge = +8 mc, Outer charge = -8 mc Inner charge = +8 mC, Outer charge = -12 mc С. d. Inner charge =-8 mc, Outer charge = 12 mc
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