Physics GCSE
Carbon Brushes
What Carbon Brushes means in Physics GCSE, as defined for Pearson Edexcel.
Definition of Carbon Brushes
Check what you remember
Read the wording for your board, then hide it and explain Carbon Brushes in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
Stationary electrical contacts that press against the split-ring commutator to maintain a continuous electrical connection between the external circuit and the rotating coil of a DC motor.
Topics that use Carbon Brushes
- Topic 12 – Magnetism and the motor effect (Pearson Edexcel GCSE)
Related terms
- Armature
- conventional current
- Fleming's left hand rule
- Magnetic Flux Density (B)
- motor effect
- split-ring commutator
- Torque
Using Carbon Brushes in the exam
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