Power Ratings of Common Appliances
Part of Electrical Power & Energy · GCSE GCSE Physics revision
This diagram covers Power Ratings of Common Appliances within Electrical Power & Energy for GCSE Physics. Revise Electrical Power & Energy in Electricity for GCSE Physics with 15 exam-style questions and 30 flashcards. This topic shows up very often in GCSE exams, so students should be able to explain it clearly, not just recognise the term. It is section 5 of 15 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.
Topic position
Section 5 of 15
Practice
15 questions
Recall
30 flashcards
📊 Power Ratings of Common Appliances
| Appliance | Power | Energy in 1 hour | Cost at 30p/kWh |
|---|---|---|---|
| Phone charger | 5 W | 0.005 kWh | 0.15p |
| LED bulb | 10 W | 0.01 kWh | 0.3p |
| Laptop | 50 W | 0.05 kWh | 1.5p |
| Television | 100 W | 0.1 kWh | 3p |
| Fridge (average) | 150 W | 0.15 kWh | 4.5p |
| Desktop computer | 200 W | 0.2 kWh | 6p |
| Washing machine | 2000 W | 2 kWh | 60p |
| Kettle | 3000 W | 3 kWh | 90p |
| Electric shower | 9000 W | 9 kWh | £2.70 |
Key insight: A 10-minute shower costs more than leaving a phone charger plugged in for an ENTIRE WEEK!
Keep building this topic
Read this section alongside the surrounding pages in Electrical Power & Energy. That gives you the full topic sequence instead of a single isolated revision point.
Practice Questions for Electrical Power & Energy
What is the unit of electrical power?
Explain why the National Grid transmits electricity at high voltage to reduce energy losses.
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