Question

2. A point charge 2Q is placed at the center of a square of side length 20 cm. Four

identical point charges Q are located at the corners of the square.

(a) Find the force on the charge at the center.

(b) Find the force on the charge at the center if one of the charges at the cor

Answer 1

Explanation:

(a) net force should be zero

(b)if one of the charge should be removed them the net force should be any of the diagonal of square.