Energy and Power The power rating of a carbon-composition resistor that is to handle up to 1.2 W should be 5 W 0.5 W 2 W 1 W 5 W 0.5 W 2 W 1 W ANSWER DOWNLOAD EXAMIANS APP
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? 10 h 2,000 h 200 h 1 h 10 h 2,000 h 200 h 1 h 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% 4.28% 85.7% 42.85% 8.57% 4.28% 85.7% 42.85% ANSWER DOWNLOAD EXAMIANS APP
Energy and Power If it takes 400 ms to use 12,000 J of energy, the power is 300 kW 3 W 30 W 30 kW 300 kW 3 W 30 W 30 kW 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 A 220 resistor dissipates 3 W. The voltage is 2.5 V 73.3 V 257 V 25.7 V 2.5 V 73.3 V 257 V 25.7 V ANSWER DOWNLOAD EXAMIANS APP