Physics GCSE
Changing magnetic field
What Changing magnetic field means in Physics GCSE, as defined for AQA.
Definition of Changing magnetic field
Check what you remember
Read the wording for your board, then hide it and explain Changing magnetic field in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
This is required in the core to induce a potential difference in the secondary coil.
Topics that use Changing magnetic field
- Transformers (HT only) (AQA GCSE)
Related terms
- iron core
- magnetic linking
- National Grid transmission
- Turns ratio and power equations
- Easily magnetised
- primary coil
- secondary coil
Using Changing magnetic field in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Physics GCSE termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge