Two freely movable particles with charges and are a distance apart
PHYSICS · Multi-part · CBSE · Physics · Electric Charges and Fields · Electric Charges and Fields
Problem
Two freely movable particles with charges +q and +4q are a distance l apart. A third charge is placed so that the entire system is in equilibrium.
(a) Find the location, magnitude, and sign of the third charge.
(b) Show that the equilibrium is unstable.