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Energy and Power

Energy and Power
A 75 load uses 2 W of power. The output voltage of the power supply is approximately

6 V
120 V
12 V
1.2 V

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Energy and Power
In 40 kW, there are

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

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

36 kWh
3.6 kWh
10 kWh
1 kWh

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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

226 mW
13.2 mW
132 mW
22.6 mW

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

480 mW
150 mW
15 mW
4.8 W

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

300 kW
3 W
30 kW
30 W

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MORE MCQ ON Energy and Power

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