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Energy and Power

Energy and Power
A 220 resistor dissipates 3 W. The voltage is

25.7 V
73.3 V
2.5 V
257 V

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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
1.286 kWh
535 kWh
252 kWh

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Energy and Power
When the pointer of an analog ohmmeter reads close to zero, the resistor being measured is

reversed
overheated
shorted
open

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Energy and Power
If you used 400 W of power for 30 h, you have used

13.3 kWh
1.2 kWh
1.3 kWh
12 kWh

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

480,000 µW
0.480 W
All of these
480 mW

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Energy and Power
A half-watt is equal to how many milliwatts?

5,000 mW
50 mW
500 mW
5 mW

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MORE MCQ ON Energy and Power

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