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Energy and Power

Energy and Power
In 40 kW, there are

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

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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
At the end of a 14 day period, your utility bill shows that you have used 18 kWh. What is your average daily power?

252 kWh
1.286 kWh
535 kWh
12.85 kWh

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Energy and Power
A 33 half-watt resistor and a 330 half-watt resistor are connected across a 12 V source. Which one(s) will overheat?

neither resistor
330
33
both resistors

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Energy and Power
If you used 600 W of power for 60 h, you have used

36 kWh
1 kWh
3.6 kWh
10 kWh

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Energy and Power
A 120 resistor must carry a maximum current of 25 mA. Its rating should be at least

4.8 W
150 mW
480 mW
15 mW

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MORE MCQ ON Energy and Power

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