It is observed that N number of field lines come out perpendicularly from the unit surface area of the sphere. What is the amount of charge inside the sphere? ∈ is the dielectric constant of the medium.

MCQs on electric charges and its basic properties, conductors, insulators, induction charging, coulombs law, electric field, electric flux, electric field lines, electric dipole, continuous charge distribution, gauss law and its applications.