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Energy and Power

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

36 kWh
10 kWh
1 kWh
3.6 kWh

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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
1.2 V
120 V
12 V

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Energy and Power
A power supply produces a 0.6 W output with an input of 0.7 W. Its percentage of efficiency is

42.85%
4.28%
8.57%
85.7%

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Energy and Power
When the pointer of an analog ohmmeter reads close to zero, the resistor being measured is

overheated
reversed
shorted
open

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

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

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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
21 Ah
0.58 Ah
2.1 Ah

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MORE MCQ ON Energy and Power

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