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Energy and Power

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

shorted
reversed
overheated
open

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

30 W
30 kW
300 kW
3 W

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

15 mW
4.8 W
480 mW
150 mW

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

2 W
200 W
20 W
2,000 W

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Energy and Power
A certain appliance uses 350 W. If it is allowed to run continuously for 24 days, how many kilowatt-hours of energy does it consume?

8.4 kWh
201.6 kWh
20.16 kWh
2.01 kWh

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Energy and Power
A 3.3 k resistor dissipates 0.25 W. The current is

8.7 µA
8.7 A
87 mA
8.7 mA

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MORE MCQ ON Energy and Power

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