Topic Details (Notes format)

Electric Charges and Fields

Subject: General Science

Book: NCERT Physics Class 12

Electrostatics deals with stationary electric charges.
- **Coulomb’s Law**:
- Defines the force between two charges.
- **Electric Field & Potential**:
- Electric field due to a point charge.
- Potential energy in an electric field.
- **Gauss’s Law**:
- Used to calculate electric field distribution.

**Possible Exam Questions:**
1. State and explain Coulomb’s Law.
2. Derive the expression for electric field due to a dipole.
3. What is the significance of Gauss’s Law?
4. Define electric potential and derive its expression.
5. Explain the concept of an electric dipole.

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