BRAINCAKEElectromagnetic Induction
When a wire cuts across the lines of a magnetic field an electromotive force (emf) is induced in the wire. If the wire is part of a complete circuit, the emf forces electrons around the circuit and causes an induced current to flow.
Sign in free to see the rest of this lesson, the R.E.C.I.P.E. recall steps and the quiz
BrainCake is free. Make an account in seconds and pick up where this page stops.
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 Electromagnetic Induction
- Energy Transfer
- 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