Electronic Principles The knee voltage of a diode is approximately equal to the Breakdown voltage Applied voltage Forward voltage Barrier potential None of these Breakdown voltage Applied voltage Forward voltage Barrier potential None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: None of these voltage generators solar cells piezoeletric cells chemical cells None of these voltage generators solar cells piezoeletric cells chemical cells ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 180 0.25 None of these 4 0.5 180 0.25 None of these 4 0.5 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: a good conductor a poor conductor of electrostatic fields None of these a good conductor of magnetic fields a good insulator a good conductor a poor conductor of electrostatic fields None of these a good conductor of magnetic fields a good insulator ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: cuts the capacitive reactance in half doubles the amount of capacitive reactance None of these has no effect on the capacitive reactance multiplies the capacitive reactance by 7 cuts the capacitive reactance in half doubles the amount of capacitive reactance None of these has no effect on the capacitive reactance multiplies the capacitive reactance by 7 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? None of these 7.8 µA 14.8 µA 10.3 µA 7.75 µA None of these 7.8 µA 14.8 µA 10.3 µA 7.75 µA ANSWER DOWNLOAD EXAMIANS APP