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Energy and Power

Energy and Power
Three hundred joules of energy are consumed in 15 s. The power is

2,000 W
20 W
200 W
2 W

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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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Energy and Power
In 0.025 W, there are

2,500 µW
25 kW
25 mW
0.00025 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

1.2 V
120 V
12 V
6 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

1 W
0.5 W
5 W
2 W

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Energy and Power
A 220 resistor dissipates 3 W. The voltage is

25.7 V
73.3 V
2.5 V
257 V

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MORE MCQ ON Energy and Power

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