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Infographics: Electrostatic Potential and Capacitance | Physics Class 12 - NEET PDF Download

Infographics: Electrostatic Potential and Capacitance | Physics Class 12 - NEETInfographics: Electrostatic Potential and Capacitance | Physics Class 12 - NEETInfographics: Electrostatic Potential and Capacitance | Physics Class 12 - NEETInfographics: Electrostatic Potential and Capacitance | Physics Class 12 - NEET
Infographics: Electrostatic Potential and Capacitance | Physics Class 12 - NEET

The document Infographics: Electrostatic Potential and Capacitance | Physics Class 12 - NEET is a part of the NEET Course Physics Class 12.
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FAQs on Infographics: Electrostatic Potential and Capacitance - Physics Class 12 - NEET

1. What is electrostatic potential and how is it defined?
Ans.Electrostatic potential is the work done per unit charge in bringing a positive test charge from infinity to a point in the electric field. It is defined mathematically as V = W/Q, where V is the electrostatic potential, W is the work done, and Q is the charge. The unit of electrostatic potential is the volt (V).
2. What factors affect the capacitance of a capacitor?
Ans.The capacitance of a capacitor depends on three main factors: the area of the plates (A), the distance between the plates (d), and the dielectric material used between the plates. It is given by the formula C = ε(A/d), where C is the capacitance, ε is the permittivity of the dielectric material, A is the area of the plates, and d is the separation between them.
3. How does the dielectric material influence the capacitance of a capacitor?
Ans.Dielectric materials increase the capacitance of a capacitor by reducing the electric field between the plates. This allows more charge to be stored for a given voltage. The capacitance with a dielectric is given by C = ε_r * C₀, where ε_r is the relative permittivity of the dielectric and C₀ is the capacitance without the dielectric.
4. What is the relationship between voltage, charge, and capacitance in a capacitor?
Ans.The relationship between voltage (V), charge (Q), and capacitance (C) in a capacitor is described by the formula Q = C * V. This means that the charge stored in a capacitor is directly proportional to the voltage across it and its capacitance. If the capacitance or the voltage increases, the stored charge also increases.
5. Can you explain the concept of energy stored in a capacitor?
Ans.The energy (U) stored in a capacitor can be calculated using the formula U = ½ C V², where U is the energy, C is the capacitance, and V is the voltage across the capacitor. This energy is stored in the electric field created between the plates of the capacitor and can be released when the capacitor discharges.
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