Power (Edexcel GCSE Physics Combined Science): 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 or work done
Which formula correctly represents power?
Which formula correctly represents power?
What is the alternative formula for power using work done?
What is the alternative formula for power using work done?
What is the unit of power?
What is the unit of power?
Watts (W)
What is the unit of energy transferred in the power formula?
What is the unit of energy transferred in the power formula?
Joules (J)
What is the unit of time in the power formula?
What is the unit of time in the power formula?
Seconds (s)
What does 1 joule per second equal?
What does 1 joule per second equal?
1 watt
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
Why is a motor that does work faster more powerful?
Why is a motor that does work faster more powerful?
Energy transferred at a faster rate
What does power represent in terms of rate?
What does power represent in terms of rate?
Rate of energy transfer or work done