1. Tardigrade
  2. Question
  3. Physics
  4. Point charges +4q, - q and +4q are kept on the X -axis at point x = 0 and x = 2a respectively.

Q. Point charges +4q, - q and +4q are kept on the X -axis at point x = 0 and x = 2a respectively.

 5659  209 AIPMTAIPMT 1988Electrostatic Potential and Capacitance Report Error

Solution:

At the present position all the charges are in equilibrium. But when they displaced slightly from their present position, they do not return back. So, they are in unstable equilibrium position.