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Energy and Power

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

150 mW
4.8 W
480 mW
15 mW

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

2 W
20 W
200 W
2,000 W

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Energy and Power
A 68 resistor is connected across the terminals of a 3 V battery. The power dissipation of the resistor is

132 mW
226 mW
22.6 mW
13.2 mW

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Energy and Power
In 40 kW, there are

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

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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?

12.85 kWh
535 kWh
252 kWh
1.286 kWh

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

1 kWh
3.6 kWh
36 kWh
10 kWh

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MORE MCQ ON Energy and Power

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