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Syllabus

Electromagnetic Induction — Syllabus

ICSE · Class 12 · Physics

What Electromagnetic Induction covers in ICSE Class 12 Physics: 4 topics, for the 2026-27 session. Part of the ICSE Class 12 Physics syllabus.

51 questions30 flashcards15 formulas & key relations5 concepts

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4 Topics · ICSE Class 12 Physics · 2026-27

Topics in Electromagnetic Induction

1

Magnetic Flux and Its Meaning

  • Magnetic flux through a plane perpendicular to a uniform magnetic field is equal to the product of magnetic field and area.
  • For a plane at an angle, flux depends on the component of magnetic field normal to the area.
  • Flux is positive if the outward normal is along the field and negative if it is opposite.
2

Faraday's Laws and Induced emf

  • Whenever the magnetic flux through a circuit changes, an emf is induced in the circuit.
  • If the circuit is closed, current flows; if it is open, emf is still induced but no current flows.
  • The first law gives the magnitude of induced emf as the negative rate of change of flux.
3

Ways of Changing Magnetic Flux and Motional emf

  • Magnetic flux can be changed by rotating the coil, changing the area, or changing magnetic field strength.
  • For a rotating coil, emf varies with angular velocity.
  • For changing magnetic field, emf depends on area and orientation.
4

Self-Induction and Energy Stored in an Inductor

  • Self-induction is the induced emf in the same coil when current through it changes.
  • The induced emf is called back emf because it opposes the change in current.
  • Self-inductance is the property that measures the ability of a coil to oppose change in current.

Key Concepts

Central concept: Electromagnetic induction: the production of emf and current due to change in magnetic flux

Introduction and historical basisMagnetic fluxFaraday's laws of electromagnetic inductionInduced current and induced chargeMethods of changing magnetic fluxInduced electric fieldMotional emfProof of Faraday's law using Lorentz force

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Frequently Asked Questions

What are the important topics in Electromagnetic Induction for ICSE Class 12 Physics?
Key topics in Electromagnetic Induction include Magnetic Flux and Its Meaning, Faraday's Laws and Induced emf, Ways of Changing Magnetic Flux and Motional emf, Self-Induction and Energy Stored in an Inductor. Study these first, then practise questions on each for the ICSE Class 12 board exam.
How should I revise Electromagnetic Induction for the ICSE Class 12 board exam?
Learn the core ideas first, then work through the 51 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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All ICSE Class 12 Physics Syllabus

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