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Electrostatic Potential & Capacitance in One Shot (NCERT) - 1 Video Lecture | Physics Class 12 - NEET

FAQs on Electrostatic Potential & Capacitance in One Shot (NCERT) - 1 Video Lecture - Physics Class 12 - NEET

1. What is electrostatic potential?

Ans. Electrostatic potential is the amount of work done in bringing a unit positive charge from infinity to a point in an electric field. It is a scalar quantity and is measured in volts (V).

2. How is electrostatic potential related to electric field?

Ans. The electric field at a point is the negative of the rate of change of electrostatic potential with distance. In other words, the electric field is the gradient of the electrostatic potential.

3. What is the formula for capacitance?

Ans. The formula for capacitance (C) is given by the ratio of the magnitude of the charge (Q) on one of the plates of a capacitor to the potential difference (V) between the plates. Mathematically, it can be written as C = Q/V.

4. How does the capacitance of a capacitor depend on its geometry?

Ans. The capacitance of a capacitor depends on its geometry. It is directly proportional to the area of the plates (A) and inversely proportional to the distance between the plates (d). Mathematically, it can be written as C ∝ A/d.

5. How can the capacitance of a parallel plate capacitor be increased?

Ans. The capacitance of a parallel plate capacitor can be increased by increasing the area of the plates, decreasing the distance between the plates, or by using a material with a higher permittivity (ε). These factors effectively increase the amount of charge that can be stored on the plates for a given potential difference.

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Sep 06, 2025 Last updated

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