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Energy and Power

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

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

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Energy and Power
In 0.025 W, there are

2,500 µW
0.00025 mW
25 kW
25 mW

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

5 W
1 W
2 W
0.5 W

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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

0.58 Ah
58 Ah
21 Ah
2.1 Ah

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Energy and Power
If you used 600 W of power for 60 h, you have used

10 kWh
3.6 kWh
1 kWh
36 kWh

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MORE MCQ ON Energy and Power

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