Two charges of equal magnitude q are placed in air at a distance 2a

Two charges of equal magnitude q are placed in air at a distance 2a apart and third charge -2q is placed at mid-point. The potential energy of the system is (where, ε₀=permitivity of free space)

Options

(a) (-q²/8πε₀a)
(b) (-3q²/8πε₀a)
(c) (-5q²/8πε₀a)
(d) (-7q²/8πε₀a)

Correct Answer:

(-7q²/8πε₀a)

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. Two charges placed in air repel each other by a force of 10⁻⁴ N. When oil is
  2. The escape velocity of a body on an imaginary planet which is thrice the radius
  3. A car is moving with uniform acceleration. It covers 200 m in 2 sec and 220 m
  4. In gamma ray emission from a nucleus
  5. The wave described by y = 0.25 sin (10 2πx – 2πt), where x and y are in meters