Physics 9-1 GCSE AQA, > Efficiency > Flashcards

Efficiency Flashcards

(3 cards)

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1
Q

Should efficiency be given as a

A) decimal
B) Fraction
C) percentage

A

C) percentage

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2
Q

Is energy always wasted?

A

Yes

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3
Q

How can you calculate efficiency?

A

Efficiency = useful energy output/total energy output x 100

(Useful energy output divided by total energy output times (x) 100)

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Physics 9-1 GCSE AQA,
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