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Energy and Power

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

5,000 mW
50 mW
5 mW
500 mW

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

30 kW
30 W
300 kW
3 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?

535 kWh
252 kWh
1.286 kWh
12.85 kWh

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

480 mW
All of these
480,000 µW
0.480 W

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Energy and Power
In 40 kW, there are

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

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

open
reversed
shorted
overheated

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MORE MCQ ON Energy and Power

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