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Bihar Board XII
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Physics
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.
Bihar Board XII - 2025
Bihar Board XII
Physics
Electrostatics
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°.
Bihar Board XII - 2025
Bihar Board XII
Physics
Electrostatics
State and prove Gauss's theorem in electrostatics. Calculate the electric field intensity at a point outside a hollow uniformly charged sphere.
Bihar Board XII - 2025
Bihar Board XII
Physics
Electrostatics
Define volume density of charge. Write its SI unit.
Bihar Board XII - 2025
Bihar Board XII
Physics
Electrostatics
The speed of an electron accelerated from rest under a potential difference \( V \) is
Bihar Board XII - 2025
Bihar Board XII
Physics
Electrostatics
On inserting a dielectric material between two positive charges in air, the value of repulsive force will
Bihar Board XII - 2025
Bihar Board XII
Physics
Electrostatics
The electric field on the outer surface of a charged conductor is
Bihar Board XII - 2025
Bihar Board XII
Physics
Electrostatics
If a conductor is placed in an external electric field, the field inside the conductor will be?
Bihar Board XII - 2025
Bihar Board XII
Physics
Electrostatics
Which of the following statements is true for two point charges of opposite sign?
Bihar Board XII - 2025
Bihar Board XII
Physics
Electrostatics
The capacity of any condenser does not depend upon
Bihar Board XII - 2025
Bihar Board XII
Physics
Electrostatics
Gauss’s law states that the electric flux through a closed surface is
Bihar Board XII - 2025
Bihar Board XII
Physics
Electrostatics
Which one of the following is the unit of capacity?
Bihar Board XII - 2025
Bihar Board XII
Physics
Electrostatics
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.
Bihar Board XII - 2025
Bihar Board XII
Physics
Electrostatics
What is an electric dipole? Find an expression for electric potential at any point due to an electric dipole.
Bihar Board XII - 2024
Bihar Board XII
Physics
Electrostatics
10$^{19}$ electrons are placed on an uncharged body. Calculate the charge produced on the body.
Bihar Board XII - 2024
Bihar Board XII
Physics
Electrostatics
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?
Bihar Board XII - 2024
Bihar Board XII
Physics
Electrostatics
Define intensity of electric field at any point. Write down its S.I. unit.
Bihar Board XII - 2024
Bihar Board XII
Physics
Electrostatics
The nature of electron beams moving with uniform velocity in the same direction will be:
Bihar Board XII - 2024
Bihar Board XII
Physics
Electrostatics
Picofarad is the unit of:
Bihar Board XII - 2024
Bihar Board XII
Physics
Electrostatics
The dielectric constant of a metal is:
Bihar Board XII - 2024
Bihar Board XII
Physics
Electrostatics
The capacity of any condenser does not depend upon:
Bihar Board XII - 2024
Bihar Board XII
Physics
Electrostatics
The capacity of a spherical conductor is \(1.0\) pF. Its radius will be:
Bihar Board XII - 2024
Bihar Board XII
Physics
Electrostatics
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:
Bihar Board XII - 2024
Bihar Board XII
Physics
Electrostatics
On moving from the surface of a charged metallic sphere to the center of the sphere, the electric field:
Bihar Board XII - 2024
Bihar Board XII
Physics
Electrostatics
If \( n \) electric dipoles are situated inside a closed surface, the total electric flux coming out from the closed surface will be:
Bihar Board XII - 2024
Bihar Board XII
Physics
Electrostatics
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