G3 Pure Physics / O‑Level Physics: Electromagnetic Induction structured questions
Structured and data-based Paper 2 practice for magnetism: fields, electromagnets, the motor effect, electromagnetic induction, generators, and transformers.
Learning objectives
- Deduce that a changing magnetic field can induce an e.m.f.
- Deduce that induced e.m.f. opposes the change producing it
- Deduce factors affecting induced e.m.f. magnitude
- Describe a simple a.c. generator and slip rings
- Sketch a simple a.c. generator voltage–time graph
- Describe a simple iron-cored transformer
- Apply ideal-transformer equations
- Explain cable loss and high-voltage transmission
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