BRAINCAKEAn Electric Motor
An electric motor is a coil of insulated wire in a magnetic field with a direct current passing through it. The forces on each edge of the coil are in opposite directions and make the coil spin continuously.
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Key terms in this lesson
- magnetic field
- A region of space in which a moving charge, current-carrying conductor or magnetic material experiences a force.
More in Magnetic Fields
- Magnetic Field
- Force on a current-carrying wire
- Magnetic Flux density
- Couple on a coil in a magnetic field
- Force on a moving Charge in a Magnetic Field
- Cyclotron
- The Mass Spectrometer
All 8 lessons in Magnetic Fields · All OCR A-level Physics topics