
The electric field inside a parallel plate capacitor is . Find the amount of work done in moving a charge over a closed rectangular loop .



Important Questions on Electrostatic Potential and Capacitance
Figure below shows the variation of electrostatic potential with distance for a given charge distribution. From the points marked and , identically the point at which the electric field is zero. Explain your answer.

Figure below shows the variation of electrostatic potential with distance for a given charge distribution. From the points marked and , identically the point at which the electric field is maximum. Explain your answer.

Two identical plane metallic surfaces and are kept parallel to each other in air, separated by a distance of , as shown in figure below.
Surface is given a positive potential of , and the outer surface of is earthed.
What is the magnitude and direction of the uniform electric field between points and ?

Two identical plane metallic surfaces and are kept parallel to each other in air, separated by a distance of , as shown in figure below.
Surface is given a positive potential of , and the outer surface of is earthed.
What is the work done in moving a charge of from point to point .

The electric potential as a function of distance is shown in Figure below. Construct a graph of the electric field strength .

The two graphs drawn here, show the variation of electrostatic potential with ( being distance of the field point charge) for two point charges and . What are the signs of the two charges?

The two graphs drawn here, show the variation of electrostatic potential with ( being distance of the field point charge) for two point charges and . Which of the two charges has a larger magnitude and why?

The following data was obtained for the dependence of the magnitude of electric field, with distance, from a reference point , within the charge distribution in the shaded region.
Field Point | ||||||
Magnitude of electric field |
Identify the charge distribution and justify your answer.
