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Mains electricity — OCR GCSE Combined Science A Definition

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Combined Science
Key terms
Mains electricity

GCSE Combined Science · key term

Mains electricity

Definition

The electricity supply delivered to buildings through the National Grid, used to power appliances plugged into sockets.

Used by OCR

How each exam board covers it

OCR GCSE Combined Science A · J250

Specification P6.2f · Physics Paper 2

When you plug a kettle or a phone charger into a socket, it connects to mains electricity. Electrical energy reaches homes through the National Grid from electricity generators.
Revise: UK Domestic Electricity Supply

OCR Combined Science A past papers

Related key terms

Alternating current
Frequency
Potential difference

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