EASY
12th CBSE
IMPORTANT
Earn 100
An electric dipole is held in a uniform electric field. Using a suitable diagram, show that it does not undergo any translatory motion.
Important Questions on Electric Charges and Field
EASY
12th CBSE
IMPORTANT
An electric dipole is held in a uniform electric field. Derive an expression for the torque acting on it and specify its direction. When is this torque maximum?
EASY
12th CBSE
IMPORTANT
Define an electric field line. Draw the pattern of the field lines around a system of two equal positive charges separated by a small distance.
EASY
12th CBSE
IMPORTANT
What do you understand by electric line of force and give its two important properties.
EASY
12th CBSE
IMPORTANT
What do electric lines of force represent? Explain repulsion between two like charges on their basis.
EASY
12th CBSE
IMPORTANT
What do you understand by electric flux. State its SI unit. A charge is enclosed by a spherical surface of radius . If the radius is reduced to half, how would the electric flux through the surface change?
MEDIUM
12th CBSE
IMPORTANT
Show that dependence of electric field of a point charge is consistent with the concept of the electric field lines.
EASY
12th CBSE
IMPORTANT
What do you understand by Gauss's theorem in electrostatics and prove it.
MEDIUM
12th CBSE
IMPORTANT
Using Gauss's theorem, obtain an expression for the force between two point charges.
