EASY
12th CBSE
IMPORTANT
Earn 100

Show mathematically that the electric potential at any equatorial point of an electric dipole is zero.

Important Questions on Electrostatic Potential and Capacitance

EASY
12th CBSE
IMPORTANT
Give three differences between the nature of electric potentials of a electric dipole and single point charge.
MEDIUM
12th CBSE
IMPORTANT
Obtain an expression for the electric potential at a point due to a group of N point charges.
HARD
12th CBSE
IMPORTANT
Obtain an expression for the potential at a point due to a continuous charge distribution.
HARD
12th CBSE
IMPORTANT
Show that the electric field at any point is equal to the negative of the potential gradient at that point.
MEDIUM
12th CBSE
IMPORTANT
Describe how can we determine the electric potential at a point from the knowledge of the electric field.
MEDIUM
12th CBSE
IMPORTANT

Two closely spaced equipotential surfaces A and B with potentials V and V+δV, (where δV is the change in V), are kept δl distance apart as shown in the figure. Deduce the relation between the electric field and the potential gradient between them. Write the two important conclusions concerning the relation between the electric field and electric potentials.

Question Image

EASY
12th CBSE
IMPORTANT
Show that the amount of work done in moving a test charge over an equipotential surface is zero.
EASY
12th CBSE
IMPORTANT
Show that the direction of the electric field is normal to the equipotential surface at every point.