BRAINCAKETransformer Efficiency
Transformers are designed to be almost 100% efficient.
Low resistance windings reduce power losses due to the heating effect of the current.
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Key terms in this lesson
- eddy currents
- Loops of induced current within a conductor caused by a changing magnetic flux, which oppose the change and dissipate energy as heat.
More in Electromagnetic Induction
- Solenoid
- Lenz's Law
- Faraday's Law of Electromagnetic Induction
- The Alternating Current Generator
- Power Station Alternators
- Back e.m.f.
- Transformers
- The National Grid
All 12 lessons in Electromagnetic Induction · All Edexcel A-level Physics topics