Electronic Principles A device that converts light energy to electrical energy is called a: thermocouple None of these photo transistor photodiode solar cell thermocouple None of these photo transistor photodiode solar cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An ideal voltage source has A load-dependent current Infinite internal resistance None of these A load dependent voltage Zero internal resistance A load-dependent current Infinite internal resistance None of these A load dependent voltage Zero internal resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 50 A 20 A None of these 0.20833333333333 50 A 20 A None of these 0.20833333333333 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? 1590 Ohm 690 Ohm 312 Ohm None of these less than 1 Ohm 1590 Ohm 690 Ohm 312 Ohm None of these less than 1 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 0.05 mA 3.75 mA 3.2 mA 13 mA None of these 0.05 mA 3.75 mA 3.2 mA 13 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the amplitude at 70.7% of the maximum value the maximum positive or negative value the amplitude at 1.41 times the maximum value None of these the amplitude at 90% of the maximum value the amplitude at 70.7% of the maximum value the maximum positive or negative value the amplitude at 1.41 times the maximum value None of these the amplitude at 90% of the maximum value ANSWER DOWNLOAD EXAMIANS APP