Energy Engineering Question:

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

A. 1.3 kWh
B. 13.3 kWh
C. 1.2 kWh
D. 12 kWh

Energy Engineering Interview Question
Energy Engineering Interview Question

Answer:

Option D

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

A. 4.8 W
B. 150 mW
C. 15 mW
D. 480 mW		A 6 V battery is connected to a 300 load. Under these conditions, it is rated at 40 Ah. How long can it supply current to the load?

A. 1 h
B. 200 h
C. 2,000 h
D. 10 h