Precession in a magnetic field
What Precession in a magnetic field means in Physics A-Level, as defined for AQA.
Definition of Precession in a magnetic field
Check what you remember
Read the wording for your board, then hide it and explain Precession in a magnetic field in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Protons in the strong uniform field of a superconducting magnet initially align parallel to the field and precess about the magnetic field lines.
Topics that use Precession in a magnetic field
- Magnetic resonance (MR) scanner (A-level only) (AQA A-Level)
Related terms
Using Precession in a 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.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge