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Energy and Power

Energy and Power
A given power supply is capable of providing 6 A for 3.5 h. Its ampere-hour rating is

58 Ah
0.58 Ah
2.1 Ah
21 Ah

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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

2 W
0.5 W
1 W
5 W

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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
In 40 kW, there are

40,000 W
5,000 W
0.4 mW
400 W

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

1.3 kWh
12 kWh
13.3 kWh
1.2 kWh

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

25.7 V
73.3 V
257 V
2.5 V

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MORE MCQ ON Energy and Power

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