Energy and Power A half-watt is equal to how many milliwatts? 5 mW 50 mW 500 mW 5,000 mW 5 mW 50 mW 500 mW 5,000 mW ANSWER DOWNLOAD EXAMIANS APP
Energy and Power A power supply produces a 0.6 W output with an input of 0.7 W. Its percentage of efficiency is 4.28% 42.85% 8.57% 85.7% 4.28% 42.85% 8.57% 85.7% ANSWER DOWNLOAD EXAMIANS APP
Energy and Power Three hundred joules of energy are consumed in 15 s. The power is 200 W 2 W 2,000 W 20 W 200 W 2 W 2,000 W 20 W ANSWER DOWNLOAD EXAMIANS APP
Energy and Power A 15 V source is connected across a 12 resistor. How much energy is used in three minutes? 56.25 Wh 938 Wh 0.938 Wh 5.6 Wh 56.25 Wh 938 Wh 0.938 Wh 5.6 Wh 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 1 h 2,000 h 10 h 200 h 1 h 2,000 h 10 h 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? 2.01 kWh 201.6 kWh 20.16 kWh 8.4 kWh 2.01 kWh 201.6 kWh 20.16 kWh 8.4 kWh ANSWER DOWNLOAD EXAMIANS APP
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