Consider the following two configurations.
a. A test charge +q is brought to a point A...
Consider the following two configurations.
a. A test charge +q is brought to a point A a distance r from the center of a sphere having net charge +Q.
b. A test charge +2 q is brought to a point D a distance 2 r from the center of the sphere. Compared with the electrostatic potential at A, the electrostatic potential at B is
a. the same
b. greater
c. smaller
Compared with the electrostatic potential energy of configuration (a), the electrostatic potential energy of configuration (b) is
a. greater
b. smaller
c. the same
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