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? 1 h 10 h 2,000 h 200 h 1 h 10 h 2,000 h 200 h ANSWER DOWNLOAD EXAMIANS APP
Energy and Power A 75 load uses 2 W of power. The output voltage of the power supply is approximately 12 V 1.2 V 120 V 6 V 12 V 1.2 V 120 V 6 V ANSWER DOWNLOAD EXAMIANS APP
Energy and Power A 220 resistor dissipates 3 W. The voltage is 25.7 V 257 V 73.3 V 2.5 V 25.7 V 257 V 73.3 V 2.5 V ANSWER DOWNLOAD EXAMIANS APP
Energy and Power A 120 resistor must carry a maximum current of 25 mA. Its rating should be at least 15 mW 150 mW 480 mW 4.8 W 15 mW 150 mW 480 mW 4.8 W 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 power supply produces a 0.6 W output with an input of 0.7 W. Its percentage of efficiency is 85.7% 42.85% 4.28% 8.57% 85.7% 42.85% 4.28% 8.57% ANSWER DOWNLOAD EXAMIANS APP
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