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Energy and Power

Energy and Power
In 40 kW, there are

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

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

All of these
480,000 µW
0.480 W
480 mW

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Energy and Power
When the current through a 12 k resistor is 8 mA, the power is

768 mW
7.68 mW
7.68 W
76.8 W

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

2,000 W
200 W
2 W
20 W

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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
58 Ah
21 Ah

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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

2 W
1 W
0.5 W
5 W

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MORE MCQ ON Energy and Power

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