List of top Physics Questions on Electrostatics asked in Bihar Board XII

The distance between two charges is made half and one of the charges is also halved. The force acting between the two will become as compared to previous value.
An electric dipole is held in a uniform electric field. The dipole is aligned parallel to the electric field. Find the work done in rotating it through an angle of 180°.
State and prove Gauss's theorem in electrostatics. Calculate the electric field intensity at a point outside a hollow uniformly charged sphere.
Define volume density of charge. Write its SI unit.
The speed of an electron accelerated from rest under a potential difference \( V \) is
On inserting a dielectric material between two positive charges in air, the value of repulsive force will
The electric field on the outer surface of a charged conductor is
If a conductor is placed in an external electric field, the field inside the conductor will be?
Which of the following statements is true for two point charges of opposite sign?
The capacity of any condenser does not depend upon
Gauss’s law states that the electric flux through a closed surface is
Which one of the following is the unit of capacity?
Two equal positive point charges of 1 μC charge are kept at a distance of 1 metre in air. The electric potential energy of the system will be.
What is an electric dipole? Find an expression for electric potential at any point due to an electric dipole.
10$^{19}$ electrons are placed on an uncharged body. Calculate the charge produced on the body.
An electric dipole of dipole moment \(2 \times 10^{-6}\) cm is kept inside a closed surface. What will be the net electric flux coming out from the surface?
Define intensity of electric field at any point. Write down its S.I. unit.
The nature of electron beams moving with uniform velocity in the same direction will be:
Picofarad is the unit of:
The dielectric constant of a metal is:
The capacity of any condenser does not depend upon:
The capacity of a spherical conductor is \(1.0\) pF. Its radius will be:
Two equal and opposite charges of 5 coulomb are kept mutually at a distance of 50 cm. The electric dipole moment of the system is:
On moving from the surface of a charged metallic sphere to the center of the sphere, the electric field:
If \( n \) electric dipoles are situated inside a closed surface, the total electric flux coming out from the closed surface will be: