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Energy and Power

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

2 W
200 W
2,000 W
20 W

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Energy and Power
In 0.025 W, there are

0.00025 mW
25 kW
25 mW
2,500 µW

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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
21 Ah
2.1 Ah

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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
6 V
120 V
12 V

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Energy and Power
A half-watt is equal to how many milliwatts?

5 mW
50 mW
5,000 mW
500 mW

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Energy and Power
If you used 400 W of power for 30 h, you have used

1.2 kWh
13.3 kWh
12 kWh
1.3 kWh

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MORE MCQ ON Energy and Power

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