Energy and Power A power supply produces a 0.6 W output with an input of 0.7 W. Its percentage of efficiency is 8.57% 42.85% 4.28% 85.7% 8.57% 42.85% 4.28% 85.7% ANSWER DOWNLOAD EXAMIANS APP
Energy and Power If you used 600 W of power for 60 h, you have used 36 kWh 1 kWh 10 kWh 3.6 kWh 36 kWh 1 kWh 10 kWh 3.6 kWh ANSWER DOWNLOAD EXAMIANS APP
Energy and Power When the current through a 12 k resistor is 8 mA, the power is 768 mW 7.68 mW 7.68 W 76.8 W 768 mW 7.68 mW 7.68 W 76.8 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? 5.6 Wh 0.938 Wh 56.25 Wh 938 Wh 5.6 Wh 0.938 Wh 56.25 Wh 938 Wh ANSWER DOWNLOAD EXAMIANS APP
Energy and Power In 40 kW, there are 0.4 mW 400 W 40,000 W 5,000 W 0.4 mW 400 W 40,000 W 5,000 W ANSWER DOWNLOAD EXAMIANS APP
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 30 kW 30 W 300 kW 3 W ANSWER DOWNLOAD EXAMIANS APP
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