Power (AQA GCSE Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does power measure?
What does power measure?
The rate at which work gets done
What is the unit used to measure power?
What is the unit used to measure power?
Watts (W)
What does one watt equal?
What does one watt equal?
One joule per second
Which formula calculates power when energy transferred is known?
Which formula calculates power when energy transferred is known?
What is the typical power rating of a microwave oven?
What is the typical power rating of a microwave oven?
850 W
A hairdryer has a power rating of 1800 W. How much energy does it transfer each second?
A hairdryer has a power rating of 1800 W. How much energy does it transfer each second?
1800 J
What power does a nuclear power station typically generate?
What power does a nuclear power station typically generate?
1 GW ( W)
Which formula should you use to calculate energy transferred for height changes?
Which formula should you use to calculate energy transferred for height changes?
A device transfers 24,000 J in 30 s. What is its power rating?
A device transfers 24,000 J in 30 s. What is its power rating?
800 W
Why must you convert minutes to seconds when calculating power in watts?
Why must you convert minutes to seconds when calculating power in watts?
To match the J/s definition of watts