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 coils of self inductance 2 mH and 8 mH are placed so close together
  2. A road of width 20 m forms an arc of radius 15 m,its outer edge is 2m higher than
  3. The order of radius of the nucleus of an atom is
  4. A ball is dropped into a well in which the water level is at a depth h below the top
  5. One coolie takes 1 minute to raise a suitcase through a height of 2 m