Four point charges are placed at the four corners of a square. Each side of the square has a length L. Find the magnitude of the electric force on q2 due to all three charges q1, q3 and q4 for L = 1 m and q = 1.55 �C.

Answer in units of N

2 answers

Which q is 1.55 C? All four corners?
drwls, all four q is 1.55C