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% 8.57% 42.85% 85.7% 4.28% 8.57% 42.85% 85.7% ANSWER DOWNLOAD EXAMIANS APP
Energy and Power For 12 V and 40 mA, the power is 0.480 W All of these 480,000 µW 480 mW 0.480 W All of these 480,000 µW 480 mW 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? 0.938 Wh 56.25 Wh 938 Wh 5.6 Wh 0.938 Wh 56.25 Wh 938 Wh 5.6 Wh ANSWER DOWNLOAD EXAMIANS APP
Energy and Power A 120 resistor must carry a maximum current of 25 mA. Its rating should be at least 480 mW 150 mW 15 mW 4.8 W 480 mW 150 mW 15 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 76.8 W 7.68 W 768 mW 7.68 mW 76.8 W 7.68 W ANSWER DOWNLOAD EXAMIANS APP
Energy and Power When the pointer of an analog ohmmeter reads close to zero, the resistor being measured is reversed overheated open shorted reversed overheated open shorted ANSWER DOWNLOAD EXAMIANS APP
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