List of top Physics Questions on Electric Field asked in CUET (UG)

The electric field intensity due to an infinite thin plane sheet of surface charge density \(\sigma\) is:
For a medium with permittivity (e) and permeability (µ), the speed of light (v) is given by:
The expression for torque ‘τ’ experienced by an electric dipole of dipole moment ‘P’ in an external uniform electric field ‘E’ is given by :
The variation of electric field with respect to the distance from center of charged conducting spherical shell of radius R is given by : 
A conducting sphere is charged. If the electric field at a distance of 20 cm from the center of this sphere is 1.2x103NC-1 and points radially inward, the net charge on this sphere is