Three identical point charges are placed at the corners of an equilateral triangle of side

PHYSICS · Single correct · CBSE · Physics · Electric Charges and Fields · Electric Charges and Fields

Problem

Three identical point charges

+Q

are placed at the corners of an equilateral triangle of side

a

. What is the magnitude of the net electrostatic force on any one of the charges? (a)

k\,\sqrt{2}\,\dfrac{Q^{2}}{a^{2}}

(b)

k\,\sqrt{3}\,\dfrac{Q^{2}}{a^{2}}

(c)

2k\,\dfrac{Q^{2}}{a^{2}}

(d)

k\,\dfrac{Q^{2}}{a^{2}}