Efficiency
Electrical energy efficiency is always less than 100% because components and devices waste energy as heat energy.
| Efficiency | = | useful energy output total energy input |
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More in Electrical Circuits
- Internal Resistance
- Electrical Work
- Electrical Power
- Power Dissipated By Resistors
- Exam Style Question - 1
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- Exam Style Question - 2
- Exam Style Question - 3
All 22 lessons in Electrical Circuits · All Edexcel AS-level Physics topics