Power (OCR GCSE Physics A, Combined (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is power defined as?
What is power defined as?
Rate of energy transfer
Power can also be defined as the rate at which what happens?
Power can also be defined as the rate at which what happens?
Work is done
Which formula correctly represents power?
Which formula correctly represents power?
What is the unit of power?
What is the unit of power?
Watts (W)
What is the unit for energy transferred in the power formula?
What is the unit for energy transferred in the power formula?
Joules (J)
What is the unit for time in the power formula?
What is the unit for time in the power formula?
Seconds (s)
What power does 1 joule per second equal?
What power does 1 joule per second equal?
1 watt
In the formula , what does represent?
In the formula , what does represent?
Power
Two motors do the same work. Motor A finishes faster. Which is more powerful?
Two motors do the same work. Motor A finishes faster. Which is more powerful?
Motor A
In the formula , what does represent and what unit is it measured in?
In the formula , what does represent and what unit is it measured in?
Work done, joules (J)
