Energy and Power A power supply produces a 0.6 W output with an input of 0.7 W. Its percentage of efficiency is 85.7% 4.28% 42.85% 8.57% 85.7% 4.28% 42.85% 8.57% ANSWER DOWNLOAD EXAMIANS APP
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 20.16 kWh 2.01 kWh 201.6 kWh 8.4 kWh 20.16 kWh 2.01 kWh 201.6 kWh ANSWER DOWNLOAD EXAMIANS APP
Energy and Power If you used 400 W of power for 30 h, you have used 13.3 kWh 1.3 kWh 1.2 kWh 12 kWh 13.3 kWh 1.3 kWh 1.2 kWh 12 kWh ANSWER DOWNLOAD EXAMIANS APP
Energy and Power A 120 resistor must carry a maximum current of 25 mA. Its rating should be at least 4.8 W 15 mW 150 mW 480 mW 4.8 W 15 mW 150 mW 480 mW ANSWER DOWNLOAD EXAMIANS APP
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? 1.286 kWh 12.85 kWh 252 kWh 535 kWh 1.286 kWh 12.85 kWh 252 kWh 535 kWh ANSWER DOWNLOAD EXAMIANS APP
Energy and Power 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? 200 h 10 h 1 h 2,000 h 200 h 10 h 1 h 2,000 h ANSWER DOWNLOAD EXAMIANS APP
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