1.
What is 1 horsepower approximately equal to?
A
736 W
B
1000 W
C
746 W
D
10 W
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What is 1 horsepower approximately equal to?
736 W
1000 W
746 W
10 W
Which of the following is a high-power appliance?
Mobile phone charger
LED bulb
Refrigerator
Electric iron
Which of the following is true about power?
It is the energy stored in an object
It is measured in newtons
It is the rate at which energy is used
It is inversely proportional to time
What is the power required to do 100 J of work in 5 seconds?
200 W
50 W
10 W
20 W
What is the power consumed by a 60-watt bulb in 2 hours?
120 Wh
60 Wh
120 W
720 W