Teaching Physics with the Physics Suite
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Teaching Physics with the Physics Suite
Home | Action Research Kit| Sample Problems | Resources | Product Information |
Problems Sorted by Type | Problems Sorted by Subject | Problems Sorted by Chapter in UP |
Gauss's law states
where A is a surface and qA is a charge. (Note: You may list any number of these statements including all or none.
A) Which of the following statements are true about the surface A appearing in Gauss's Law?
a. The surface A must be a closed surface (must cover a volume).
b. The surface A must contain all the charges in the problem.
c. The surface A must be a highly symmetrical surface like a sphere or
a cylinder.
d. The surface A must be a conductor.
e. The surface A is purely imaginary.
f. The normals to the surface A must all be in the same direction as the
electric field on the surface.
B) Which of the following statements are true about the charge qA appearing in Gauss's Law?
a. The charge qA is all the charge lying on the Gaussian
surface.
b. The charge qA is the charge lying within the Gaussian surface.
c. The charge qA is all the charge in the problem.
d. The charge qA flows onto the Gaussian surface once the surface
is established.
e. The electric field E in the integral on the left of Gauss's law is due
only to the charge qA.
f. The electric field E in the integral on the left of Gauss's law is due
to all charges in the problem.
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Page last modified October 31, 2002: E21