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Energy and Power

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

42.8 A
428 A
4.2 A
4.28 A

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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
In 40 kW, there are

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

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

150 mW
4.8 W
15 mW
480 mW

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

6 V
120 V
1.2 V
12 V

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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

0.5 W
2 W
5 W
1 W

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MORE MCQ ON Energy and Power

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