BRAINCAKEEnergy Transfer
When a coil is rotated in a magnetic field, the coil cuts the lines of the magnetic field, so an emf is induced in the coil. If the coil is part of a complete circuit, the work done in moving the coil in the magnetic field is transferred to electrical energy (i.e. the kinetic energy of the electrons).
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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.
- motor effect
- The force produced on a current-carrying conductor placed in an external magnetic field.
More in Electromagnetic Induction
- Electromagnetic Induction
- A Dynamo
- Solenoid
- Lenz's Law
- Faraday's Law of Electromagnetic Induction
- The Alternating Current Generator
- Power Station Alternators
- Back e.m.f.
All 12 lessons in Electromagnetic Induction · All OCR A-level Physics topics