Physics GCSE
number of turns
What number of turns means in Physics GCSE, as defined for AQA.
Definitions of number of turns
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Reference: AQA
Winding more turns onto the coil means each field line is cut once per turn, so the induced potential difference rises again.
Winding more turns into the same length strengthens the field again, because there are more contributions to add.
Topics that use number of turns
- Electromagnetism (AQA GCSE)
- Induced potential (HT only) (AQA GCSE)
Related terms
- adding fields of turns
- armature and contacts
- changing field
- circular field around a wire
- Conservation of energy
- direction of the induced potential difference
- distance from the wire
- electromagnet
Using number of turns in the exam
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