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Energy and Power

Energy and Power
In 0.025 W, there are

25 mW
0.00025 mW
25 kW
2,500 µW

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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
12 V
1.2 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

5 W
1 W
2 W
0.5 W

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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
A 220 resistor dissipates 3 W. The voltage is

73.3 V
257 V
25.7 V
2.5 V

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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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MORE MCQ ON Energy and Power

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