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? 200 h 10 h 2,000 h 1 h 200 h 10 h 2,000 h 1 h 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 22.6 mW 13.2 mW 132 mW 226 mW 22.6 mW 13.2 mW 132 mW ANSWER DOWNLOAD EXAMIANS APP
Energy and Power A 33 half-watt resistor and a 330 half-watt resistor are connected across a 12 V source. Which one(s) will overheat? neither resistor 33 both resistors 330 neither resistor 33 both resistors 330 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
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% 4.28% 42.85% 8.57% 85.7% 4.28% 42.85% 8.57% ANSWER DOWNLOAD EXAMIANS APP
Energy and Power A half-watt is equal to how many milliwatts? 50 mW 5,000 mW 5 mW 500 mW 50 mW 5,000 mW 5 mW 500 mW ANSWER DOWNLOAD EXAMIANS APP
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