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Formula Sheet

Electromagnetic Induction — Formula Sheet

CG PET · Physics

Free Electromagnetic Induction formula sheet for CG PET Physics 2026 — all important formulas, equations, and constants for quick reference.

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A diagram illustrating the basic principle of electromagnetic induction, showing a bar magnet moving relative to a coil of wire connected to a galvanometer, and the resulting deflection of the galvano
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Formula Sheet — Electromagnetic Induction

Important formulas and equations from Electromagnetic Induction for CG PET Physics.

Formulas — Electromagnetic Induction

Magnetic Flux

φ = B⃗ · A⃗ = BA cos θ
SI Unit: Weber (Wb) = T·m² = kg·m²·s⁻²·A⁻¹

Faraday's Law of Electromagnetic Induction

ε = -dφ/dt
ε = -N(dφ/dt)

Lenz's Law and Energy Conservation

Direction: ε opposes flux change

Motional EMF

ε = BLv sin θ
ε = ∫(v⃗ × B⃗)·dl⃗
E⃗_induced = v⃗ × B⃗

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Frequently Asked Questions

What topics are covered in Electromagnetic Induction for CG PET?
Electromagnetic Induction is an important chapter in CG PET Physics. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: Magnetic Flux and Faraday's Experiments, Faraday's Laws of Electromagnetic Induction, Motional EMF and Applications, Self-Inductance and Mutual Inductance.
How important is Electromagnetic Induction for CG PET?
Electromagnetic Induction is a frequently tested chapter in CG PET Physics. Questions from this chapter appear regularly in previous year papers. There are 264 practice questions available for this chapter.
How to prepare Electromagnetic Induction for CG PET?
Start by understanding the core concepts, then solve practice questions. Focus on formulas and their applications. Use revision notes for quick review before the exam.

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