A Charge of 8

Multiple Choice

A charge of 8.0 pC is distributed uniformly on a spherical surface (radius = 2.0 cm) , and a second charge of −3.0 pC is distributed uniformly on a concentric spherical surface (radius = 4.0 cm) . Determine the magnitude of the electric field 5.0 cm from the center of the two surfaces.

A) 14 N/C
B) 11 N/C
C) 22 N/C
D) 18 N/C
E) 40 N/C