Physics A-Level
Lenz's law and opposition to change
What Lenz's law and opposition to change means in Physics A-Level, as defined for AQA.
Definition of Lenz's law and opposition to change
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Reference: AQA
The direction of the induced effect opposes the change producing it, for example the coil face becomes a like pole as a magnet approaches.
Topics that use Lenz's law and opposition to change
- Electromagnetic induction (A-level only) (AQA A-Level)
Related terms
- Angular frequency
- Changing flux linkage
- Faraday's law
- Flux linkage
- Lenz's law
- Practical observation of induced e.m.f. and current
- Rate of change of flux linkage
- Straight conductor in a magnetic field
Using Lenz's law and opposition to change in the exam
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