P5.5 Appliances and efficiency Flashcards Preview

GSCE Physics AQA Paper 1 > P5.5 Appliances and efficiency > Flashcards

Flashcards in P5.5 Appliances and efficiency Deck (2)
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1
Q

How can you calculate the power supplied to an electrical appliance?

A

Power = current x potential difference

2
Q

What is the equation for efficiency?

A

Useful power output / input x 100