Energy and Power How many watt-hours represent 65 W used for 18 h? 1,170 Wh 11.7 Wh 11,700 Wh 117,000 Wh 1,170 Wh 11.7 Wh 11,700 Wh 117,000 Wh ANSWER DOWNLOAD EXAMIANS APP
Energy and Power A half-watt is equal to how many milliwatts? 5 mW 500 mW 50 mW 5,000 mW 5 mW 500 mW 50 mW 5,000 mW 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 1 W 5 W 0.5 W 2 W 1 W 5 W 0.5 W 2 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 8.57% 42.85% 4.28% 85.7% 8.57% 42.85% 4.28% 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? 938 Wh 5.6 Wh 56.25 Wh 0.938 Wh 938 Wh 5.6 Wh 56.25 Wh 0.938 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 76.8 W 768 mW 7.68 mW 7.68 W 76.8 W 768 mW 7.68 mW ANSWER DOWNLOAD EXAMIANS APP