AQA · GCSE · Combined Science · Higher

Energy, power and time equation

Q01.3 1 mark

Write down the equation which links energy ( $E$ ), power ( $P$ ) and time ( $t$ ).

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Marking points

Full-mark answer

$E = Pt$

Why this answer loses marks

$P = Et$

This does not correctly link the quantities; energy is power multiplied by time.