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Energy and Power

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

50 mW
500 mW
5 mW
5,000 mW

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Energy and Power
For 12 V and 40 mA, the power is

All of these
0.480 W
480 mW
480,000 µW

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Energy and Power
A 220 resistor dissipates 3 W. The voltage is

73.3 V
257 V
25.7 V
2.5 V

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Energy and Power
If you used 400 W of power for 30 h, you have used

12 kWh
13.3 kWh
1.3 kWh
1.2 kWh

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Energy and Power
A 120 resistor must carry a maximum current of 25 mA. Its rating should be at least

480 mW
15 mW
4.8 W
150 mW

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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
8.4 kWh
201.6 kWh
20.16 kWh

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MORE MCQ ON Energy and Power

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