Physics GCSE
kilowatt-hours
What kilowatt-hours means in Physics GCSE, as defined for OCR.
Definition of kilowatt-hours
Check what you remember
Read the wording for your board, then hide it and explain kilowatt-hours in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Used for home appliances, where 1 kW h = 1000 W × 3600 s = 3 600 000 J.
Topics that use kilowatt-hours
- Work done (OCR GCSE)
Related terms
- Closed systems
- Conservation of energy
- Elastic potential energy
- Electrical work
- Everyday energy changes
- Gravitational potential energy
- heating
- Kinetic energy
Using kilowatt-hours in the exam
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