GCSE AQA Physics: Power and Energy Transfers
Authored by P Haynes
Physics
10th Grade
Used 38+ times
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16 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the formula to calculate power?
P = mgh
P = F/d
P = V/I
P = W/t
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A machine does 500 J of work in 10 seconds. What is its power?
50 Watts
250 Watts
1000 Watts
100 Watts
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of these athletes would have the most powerful muscles?
Triathlete
1500 m runner
Weightlifter
Pole vaulter
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of these devices would consume the most power?
Laptop
Electric kettle
LED light bulb
Mobile phone charger
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of these devices would consume the least power?
Electric heater
Desktop computer
LED light bulb
Television
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the unit of power?
volt
ampere
ohm
watt
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A car engine transfers 2000 J of energy in 5 seconds. What is its power?
1000 W
100 W
400 W
500 W
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