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Energy and Power

Energy and Power
A half-watt is equal to how many milliwatts?

5,000 mW
500 mW
5 mW
50 mW

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Energy and Power
Three hundred joules of energy are consumed in 15 s. The power is

2 W
2,000 W
20 W
200 W

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Energy and Power
The power rating of a carbon-composition resistor that is to handle up to 1.2 W should be

1 W
2 W
0.5 W
5 W

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Energy and Power
In 0.025 W, there are

25 mW
0.00025 mW
2,500 µW
25 kW

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Energy and Power
A certain appliance uses 350 W. If it is allowed to run continuously for 24 days, how many kilowatt-hours of energy does it consume?

2.01 kWh
201.6 kWh
8.4 kWh
20.16 kWh

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Energy and Power
A 3.3 k resistor dissipates 0.25 W. The current is

8.7 A
87 mA
8.7 mA
8.7 µA

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MORE MCQ ON Energy and Power

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