EASY
12th CBSE
IMPORTANT
Earn 100

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

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Important Questions on Electrostatic Potential and Capacitance

EASY
12th CBSE
IMPORTANT

Figure below shows the variation of electrostatic potential V with distance 'x' for a given charge distribution. From the points marked A, B and C, identically the point at which the electric field is zero. Explain your answer.

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EASY
12th CBSE
IMPORTANT

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

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EASY
12th CBSE
IMPORTANT

Two identical plane metallic surfaces A and B are kept parallel to each other in air, separated by a distance of 1 cm, as shown in figure below.

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Surface A is given a positive potential of 10 V, and the outer surface of B is earthed.

What is the magnitude and direction of the uniform electric field between points Y and Z?

EASY
12th CBSE
IMPORTANT

Two identical plane metallic surfaces A and B are kept parallel to each other in air, separated by a distance of 1 cm, as shown in figure below.

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Surface A is given a positive potential of 10 V, and the outer surface of B is earthed.

What is the work done in moving a charge of 20 µC from point X to point Y.

EASY
12th CBSE
IMPORTANT

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

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EASY
12th CBSE
IMPORTANT

The two graphs drawn here, show the variation of electrostatic potential V with 1r(r being distance of the field point charge) for two point charges q1 and q2. What are the signs of the two charges?

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EASY
12th CBSE
IMPORTANT

The two graphs drawn here, show the variation of electrostatic potential V with 1r(r being distance of the field point charge) for two point charges q1 and q2. Which of the two charges has a larger magnitude and why?

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EASY
12th CBSE
IMPORTANT

The following data was obtained for the dependence of the magnitude of electric field, with distance, from a reference point O, within the charge distribution in the shaded region.

Field Point A B C A' B' C'
Magnitude of electric field E E8 E27 E2 E16 E24

Identify the charge distribution and justify your answer.

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