Unit 7, try it
Which law determines the direction of the induced emf?
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Form 4 Physics
Unit 7: Electromagnetic induction questions and answers
168 practice questions on Electromagnetic induction, covering all 3 lessons of the unit. Each has its answer and an explanation. Free.
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Electromagnetic induction: sample questions with answers
Unit 7, try it
The increase in area ΔA of the loop in a field B changes the flux by:
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Unit 7, try it
What happens to the magnetic flux linking a coil when the north pole of a magnet moves towards it?
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What unit 7 covers
Questions follow the book: Physics, Secondary, Form Four, Student Book.
Lesson 1: Electromagnetic induction
- Introduction
- Electromagnetic induction
- Applications of electromagnetic induction
- Magnetic flux
- Induced electromotive force (emf)
- Experiment: induced current
- Lesson exercise
- Chapter exercise
Lesson 2: Faraday's Law of Induction
- Faraday's law of induction
- Real life applications of Faraday's law
- Lesson exercise
Lesson 3: Lenz's law
- Lenz's law explained
- Experiment to verify Lenz's law
- Finding the direction of induced current
- Applications of Lenz's law
- Lesson exercise
Other units of Form 4 Physics
- unit 1Oscillatory Motion
- unit 2Wave Motion
- unit 3Sound Waves
- unit 4Reflection of light
- unit 5Refraction of Light
- unit 6Dispersion of light
- unit 8Alternating current
- unit 9Electronics
- unit 10Modern Physics
- unit 11Nuclear Physics
