Motors & the Motor Effect
Explain the motor effect as the force on a current-carrying conductor in a magnetic field, and describe how this principle is used in electric motors and loudspeakers
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Check understanding
- Explains that a current-carrying conductor in a magnetic field experiences a force (the motor effect)
- Predicts how reversing the current or reversing the magnetic field affects the direction of the force
- Describes how the motor effect is applied in an electric motor and in a loudspeaker
“If your child looked inside an electric motor or the back of a loudspeaker, could they explain why the coil of wire moves — and what would happen to the movement if you reversed the direction of the current?”
Curriculum record
- Type
- Conceptual
- Subject
- Science
- Domain
- Forces & Motion
- Age range
- Ages 13–14
Standards