GCSE Physics · key term

Watt (W)

Definition

The unit of power; one watt means one joule of energy transferred per second.

Used by OCR

Paper 1, Paper 2

1
Do not confuse the symbol $W$ for work done with W as the unit symbol for watts; state the quantity and unit clearly.

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GCSE Physics · key term

The unit of power; one watt means one joule of energy transferred per second.

Used by OCR

Paper 1, Paper 2

1
Do not confuse the symbol $W$ for work done with W as the unit symbol for watts; state the quantity and unit clearly.

Create a free account to read GCSE Physics revision notes for your exam board and track your progress.