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Energy and Power

Energy and Power
If it takes 400 ms to use 12,000 J of energy, the power is

30 kW
3 W
300 kW
30 W

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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
In 40 kW, there are

5,000 W
400 W
40,000 W
0.4 mW

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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
2.1 Ah
21 Ah
58 Ah

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Energy and Power
For 12 V and 40 mA, the power is

0.480 W
All of these
480,000 µW
480 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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MORE MCQ ON Energy and Power

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