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GCSE Combined Science · key term
The force experienced by a current-carrying conductor placed in a magnetic field.
Used by AQA and Edexcel
Specification 6.7.2.2, 6.7.2.3 · Paper 6
The interaction in which a current-carrying conductor placed in a magnetic field and the magnet producing that field exert forces on each other.
Revise: Fleming's Left-Hand Rule (HT Only)The wire and the magnet producing the external field exert forces on each other. This interaction is called the motor effect. If the wire is free to move, the force can make it move.
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Paper 5, Paper 6
The force on a current-carrying conductor in a magnetic field, caused by the interaction between the conductor’s magnetic field and the external magnetic field.
Revise: Motor effect and Fleming's ruleThe two magnetic fields interact, producing a force on the wire. This is the motor effect: an electrical current can produce movement.