🔴 #9 CH 2 Electric potential and capacitance BOARD EXAM PYQs QUESTIONS Physics | CBSE Class 12

Описание: 12th CBSE Questions for CBSE 2026 BOARD EXAM
QUESTION Concept : CLASS 12 chapter 2 Electric potential and capacitance

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Chapter 2: Electrostatic Potential and Capacitance

Here are the important topics & subtopics (very useful for CBSE + NEET):

⸻

🔹 1. Electrostatic Potential
• Concept of electrostatic potential
• Potential difference
• Relation between electric field and potential
• Work done in moving a charge in an electric field
• SI unit of potential

⸻

🔹 2. Electrostatic Potential Due to a Point Charge
• Potential due to:
• Point charge
• System of point charges
• Potential due to an electric dipole
• Equipotential surfaces
• Properties
• Relation with electric field

⸻

🔹 3. Potential Energy
• Potential energy of:
• A point charge in an external field
• A system of charges
• Potential energy of an electric dipole in uniform electric field
• Stable and unstable equilibrium (qualitative)

⸻

🔹 4. Conductors and Electrostatics
• Electrostatic properties of conductors
• Potential and electric field inside a conductor

🔹 5. Capacitors
• Definition of capacitance
• Capacitance of:
• Isolated spherical conductor
• Parallel plate capacitor
• Effect of:
• Plate separation
• Area of plates
• Dielectric medium

⸻

🔹 6. Dielectrics and Polarisation
• Dielectric constant (relative permittivity)
• Polarisation of dielectric
• Effect of dielectric on:
• Electric field
• Capacitance

⸻

🔹 7. Combination of Capacitors
• Capacitors in:
• Series
• Parallel
• Effective capacitance (numericals)

⸻

🔹 8. Energy Stored in a Capacitor
• Energy stored in:
• Capacitor
• Electric field
• Energy density
• Practical applications

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