List of top Questions asked in Bihar Board XII- 2024

The capacity of any condenser does not depend upon:
The capacity of a spherical conductor is \(1.0\) pF. Its radius will be:
The dielectric constant of a metal is:
Which of the following is blocked by a capacitor?
Two bulbs of 40 W and 60 W are connected to a 220 V source. The ratio of their resistances will be:
The resistance of a wire is 500 \(\Omega\). Its electrical conductivity 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:
In broad-side-on position, the electric potential due to an electric dipole is:
An electron is accelerated through a potential difference of 5 volts. The energy gained by the electron will be:
The relation between electric field \( E \) and electric potential \( V \) is:
The electrostatic energy of the system made by two electric dipoles kept at a distance \( r \) is proportional to:
The unit of linear charge density is:
The dimensional formula of the intensity of electric field is:
The number of electrons present in 8 coulomb negative charge is:
Write a short note on water pollution.
Describe quaternary activities.
Give a brief account of the role of rail transport in the economic development of India.
Draw a map of India and show the following:
(a) Narmada River
(b) Delhi
(c) Jamshedpur
(d) Mumbai
(e) Chennai
What is slum?
What is naturalisation of humans?
Name any four Rabi crops of India.
What do you mean by density of population?
Name four ports located on the eastern coast of India.