Physics GCSE
reversing the poles
What reversing the poles means in Physics GCSE, as defined for AQA.
Definition of reversing the poles
Check what you remember
Read the wording for your board, then hide it and explain reversing the poles in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Turning the magnet round so that the south pole goes in first makes the needle swing the other way again, because the field direction has reversed.
Topics that use reversing the poles
- Induced potential (HT only) (AQA GCSE)
Related terms
- changing field
- Conservation of energy
- direction of the induced potential difference
- energy transfer
- generator effect
- induced potential difference
- number of turns
- opposing the change
Using reversing the poles in the exam
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