Magnetic Flux Density (B)
What Magnetic Flux Density (B) means in Physics GCSE, as defined for Pearson Edexcel.
Definition of Magnetic Flux Density (B)
Check what you remember
Read the wording for your board, then hide it and explain Magnetic Flux Density (B) in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
A measure of the strength of a magnetic field at a given point, defined as the force per unit current per unit length on a conductor perpendicular to the field. Measured in Tesla (T).
Topics that use Magnetic Flux Density (B)
- Topic 12 – Magnetism and the motor effect (Pearson Edexcel GCSE)
Related terms
- Armature
- Carbon Brushes
- conventional current
- Fleming's left hand rule
- motor effect
- split-ring commutator
- Torque
Using Magnetic Flux Density (B) 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