Topic Details (Notes format)

Electromagnetic Induction

Subject: General Science

Book: NCERT Physics Class 12

Changing magnetic fields produce electric currents.
- **Faraday’s Laws**:
- Relationship between changing flux and induced EMF.
- **Lenz’s Law**:
- Determines the direction of induced current.
- **Inductance**:
- Self-induction and mutual induction concepts.

**Possible Exam Questions:**
1. State and explain Faraday’s Laws of electromagnetic induction.
2. What is Lenz’s Law? How does it relate to conservation of energy?
3. Define self-inductance and mutual inductance.
4. Derive the expression for energy stored in an inductor.
5. Explain how transformers work using electromagnetic induction.

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