1)Two spherical conductors of radii c and d (where c>d) and charge QC and QD are
ID: 2175353 • Letter: 1
Question
1)Two spherical conductors of radii c and d (where c>d) and charge QC and QD are connected together with a wire. Which of the following is not true regarding the spheres when they reach equilibrium? Assume the separation of the spheres is large.a. The electrical potential of each sphere is the same.
b. The charge gained or lost be sphere c equal the charge lost or gained by sphere d.
c. The electric field at the surface of each sphere is the same.
d. None of the above
2) Which one of the following statements concerning electrostatic situations is false?
a. E is zero everywhere inside a conductor.
b. Equipotential surfaces are always perpendicular to E.
c. It takes zero work to move a charge along an equipotential surface.
d. If V is constant throughout a region of space then E must be zero in that region.
e. No force component acts along the path of a charge as it is moved along an equipotential
surface.
Explanation / Answer
c. The electric field at the surface of each sphere is the same. e. No force component acts along the path of a charge as it is moved along an equi-potential surface.
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