List of practice Questions

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:
Describe the cultivation of groundnut under the following heads: (a) Selection of soil and preparation
(b) Two improved varieties
(c) Time of sowing and seed rate per hectare
(d) Manure and fertilizer per hectare
(e) Yield per hectare
Describe the cultivation of tomato under the following heads: (a) Selection of soil and preparation
(b) Two improved varieties
(c) Time of sowing and seed rate per hectare
(d) Manure and fertilizer per hectare
(e) Yield per hectare
Describe the cultivation of guava under the following heads: (a) Selection of soil and preparation
(b) Two improved varieties
(c) Planting time and distance in between
(d) Manure and fertilizer
(e) Time of irrigation and method
Describe the cultivation of potato under the following heads: (a) Selection of soil and preparation
(b) Two improved varieties
(c) Time of sowing and seed rate per hectare
(d) Manure and fertilizer per hectare
(e) Yield per hectare
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 two varieties of papaya.
Write four advantages of drip irrigation.
Write three importances of blanching in canning.
Write four objects of fruit preservation.
Write four varieties of cauliflower.
Draw a diagram of basin system of irrigation.
Write the botanical names of tomato, cauliflower, bottle gourd, and okra.
Write the names of four varieties of wheat for late sowing condition.
Mention four precautions to be taken in balanced animal ration.
Write the names of two chemicals for the treatment of tomato seed.