A uniformly charged ring having total charge `Q` and of radius `R` is fixed in such a way
Channel: Doubtnut
Date: 26/01/2020

A uniformly charged ring having total charge `Q` and of radius `R` is fixed in such a way so that plane of the ring is horizontal. A charged particle of charge `q` and mass `m` is in equilibrium at any point lying on `y`-axis under the combined forces of electric field and earth\'s gravitational field. Choose the correct statements