Chapter 12 of 16
Syllabus
Electromagnetic Induction — Syllabus
Maharashtra Board · Class 12 · Physics
What Electromagnetic Induction covers in Maharashtra Board Class 12 Physics: 4 topics, for the 2026-27 session.
45 questions23 flashcards7 formulas & key relations5 concepts
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4 Topics · Maharashtra Board Class 12 Physics · 2026-27
Topics in Electromagnetic Induction
1
Faraday's Laws and Basic Concepts
- First Law: Whenever magnetic flux through a closed circuit changes, an EMF is induced
- Second Law: Induced EMF is proportional to rate of change of magnetic flux
- Magnetic flux φ = B·A = BA cos θ, measured in Weber (Wb)
2
Lenz's Law and Direction of Induced Current
- Lenz's Law: Direction of induced current opposes the change causing it
- Induced current creates magnetic field opposing flux change
- If flux increases, induced current opposes increase; if flux decreases, induced current opposes decrease
3
Motional EMF
- EMF induced when conductor moves through magnetic field
- Two cases: (1) Straight conductor moving perpendicular to field (2) Rotating conductor
- Lorentz force on charges in moving conductor causes charge separation
4
Self-Inductance
- Self-inductance: Property of coil to oppose changes in its own current
- Symbol: L, Unit: Henry (H), where 1 H = 1 Wb/A = 1 V·s/A
- Depends only on geometry and material properties of coil
Key Concepts
First Law (Qualitative)The direction of induced currentEMF induced in a conductor movingThe property of a circuitThe ability of one circuit
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What are the important topics in Electromagnetic Induction for Maharashtra Board Class 12 Physics?
Key topics in Electromagnetic Induction include Faraday's Laws and Basic Concepts, Lenz's Law and Direction of Induced Current, Motional EMF, Self-Inductance. Study these first, then practise questions on each for the Maharashtra Board Class 12 board exam.
How should I revise Electromagnetic Induction for the Maharashtra Board Class 12 board exam?
Learn the core ideas first, then work through the 45 practice questions on Electromagnetic Induction. Revise definitions regularly and use flashcards for quick recall before the exam.
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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