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% 85.7% 42.85% 8.57% 4.28% 85.7% 42.85% 8.57% ANSWER DOWNLOAD EXAMIANS APP
Energy and Power If it takes 400 ms to use 12,000 J of energy, the power is 3 W 300 kW 30 W 30 kW 3 W 300 kW 30 W 30 kW 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? 938 Wh 0.938 Wh 5.6 Wh 56.25 Wh 938 Wh 0.938 Wh 5.6 Wh 56.25 Wh ANSWER DOWNLOAD EXAMIANS APP
Energy and Power When the current through a 12 k resistor is 8 mA, the power is 7.68 W 768 mW 7.68 mW 76.8 W 7.68 W 768 mW 7.68 mW 76.8 W ANSWER DOWNLOAD EXAMIANS APP
Energy and Power The power rating of a carbon-composition resistor that is to handle up to 1.2 W should be 0.5 W 2 W 5 W 1 W 0.5 W 2 W 5 W 1 W ANSWER DOWNLOAD EXAMIANS APP
Energy and Power A given power supply is capable of providing 6 A for 3.5 h. Its ampere-hour rating is 0.58 Ah 2.1 Ah 58 Ah 21 Ah 0.58 Ah 2.1 Ah 58 Ah 21 Ah ANSWER DOWNLOAD EXAMIANS APP
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