Based on Gauss' Law, which of the following affects the electric flux through a Gaussian surface? ()
A. a magnetic monopole enclosed by the surface
B. a magnetic dipole outside of the surface
C. a stationary electric charge enclosed by the surface
D. a stationary electric charge outside the surface
E. a charge moving with a constant velocity outside the surface
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All of the following are true about Gauss' law EXCEPT()
A. Gauss' law refers to the flux through a closed surface.
B. Gauss' law states that the flux through the closed surface is proportional to the total charge within the surface.
C. Gauss' law is useful when the electric field is perpendicular to the differential area.
D. Gauss' law is useful when the electric field is zero.
E. A rectangle is an example of a Gaussian surface.
4) The tack is now allowed to touch the interior surface of the shell. After this contact, what is the charge on the tack?
A. Q
B. Q/2
C. 0
D. -Q/2
E. -Q
3) What is the charge on the outer surface of the shell?
A. Q
B. Q/2
C. 0
D. -Q/2
E. -Q
2) A large, metallic, spherical shell has no net charge. It is supported on an insulating stand and has a small hole at the top. A small tack with charge Q is lowered on a silk thread through the hole into the interior of the shell. What is the charge on the inner surface of the shell?
A. Q
B. Q/2
C. 0
D. -Q/2
E. -Q
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