Author Question: Which statement is always correct when applied to a charge distribution located in a finite region ... (Read 125 times)

sheilaspns · **on:** Jul 28, 2018

Which statement is always correct when applied to a charge distribution located in a finite region of space?
a. Electric potential is always zero at infinity.
b. Electric potential is always zero at the origin.
c. Electric potential is always zero at a boundary surface to a charge distribution.
d. Electric potential is always infinite at a boundary surface to a charge distribution.
e. The location where electric potential is zero may be chosen arbitrarily.

Question 2

A nonconducting sphere of radius 10 cm is charged uniformly with a density of 100 nC/m3 . What is the magnitude of the potential difference between the center and a point 4.0 cm away?
a. 12 V
b. 6.8 V
c. 3.0 V
d. 4.7 V
e. 2.2 V