Energy and Power If you used 400 W of power for 30 h, you have used 13.3 kWh 12 kWh 1.3 kWh 1.2 kWh 13.3 kWh 12 kWh 1.3 kWh 1.2 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 How many watt-hours represent 65 W used for 18 h? 11,700 Wh 1,170 Wh 11.7 Wh 117,000 Wh 11,700 Wh 1,170 Wh 11.7 Wh 117,000 Wh 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 A 15 V source is connected across a 12 resistor. How much energy is used in three minutes? 5.6 Wh 938 Wh 0.938 Wh 56.25 Wh 5.6 Wh 938 Wh 0.938 Wh 56.25 Wh ANSWER DOWNLOAD EXAMIANS APP
Energy and Power A 3.3 k resistor dissipates 0.25 W. The current is 8.7 mA 87 mA 8.7 µA 8.7 A 8.7 mA 87 mA 8.7 µA 8.7 A ANSWER DOWNLOAD EXAMIANS APP
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