Net electric force on three point charges · CAP 2013 #2
Physics · electromagnetism
Problem
Consider the electric charges A, B, C shown in the figure below, where q is a positive number. Which answer correctly describes the magnitude of the net force experienced by the charges?
[Figure: Three point charges arranged with A having charge +q, B having charge -2q, and C having charge +q]
a) FA>FB>FC
b) FA>FC>FB
c) FB>FA>FC
d) FA=FB=FC
e) FA>FB=FC