Energy and Power A 15 V source is connected across a 12 resistor. How much energy is used in three minutes? 56.25 Wh 0.938 Wh 5.6 Wh 938 Wh 56.25 Wh 0.938 Wh 5.6 Wh 938 Wh ANSWER DOWNLOAD EXAMIANS APP
Energy and Power A 68 resistor is connected across the terminals of a 3 V battery. The power dissipation of the resistor is 226 mW 13.2 mW 22.6 mW 132 mW 226 mW 13.2 mW 22.6 mW 132 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 85.7% 8.57% 4.28% 42.85% 85.7% 8.57% 4.28% 42.85% ANSWER DOWNLOAD EXAMIANS APP
Energy and Power In 40 kW, there are 0.4 mW 40,000 W 400 W 5,000 W 0.4 mW 40,000 W 400 W 5,000 W ANSWER DOWNLOAD EXAMIANS APP
Energy and Power When the pointer of an analog ohmmeter reads close to zero, the resistor being measured is shorted overheated open reversed shorted overheated open reversed ANSWER DOWNLOAD EXAMIANS APP