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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

2.1 Ah
58 Ah
0.58 Ah
21 Ah

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Energy and Power
In 40 kW, there are

5,000 W
400 W
0.4 mW
40,000 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
1.2 kWh
13.3 kWh

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Energy and Power
How much continuous current can be drawn from a 60 Ah battery for 14 h?

428 A
4.2 A
4.28 A
42.8 A

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Energy and Power
A 75 load uses 2 W of power. The output voltage of the power supply is approximately

12 V
1.2 V
6 V
120 V

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Energy and Power
How many watt-hours represent 65 W used for 18 h?

117,000 Wh
1,170 Wh
11,700 Wh
11.7 Wh

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MORE MCQ ON Energy and Power

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