Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 81 9 85 None of these 6 81 9 85 None of these 6 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 12 V 18 V 24 V None of these 30 V 12 V 18 V 24 V None of these 30 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 6 Ohm 50 Ohm or more None of these 5 Ohm 100 Ohm 6 Ohm 50 Ohm or more None of these 5 Ohm 100 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a parallel RLC circuit is operating at its resonant frequency: capacitive reactance is greater than the inductive reactance None of these inductive reactance is equal to the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is greater than the capacitive reactance capacitive reactance is greater than the inductive reactance None of these inductive reactance is equal to the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is greater than the capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used for creating static electricity? Light energy Chemical energy Solar energy None of these Mechanical energy Light energy Chemical energy Solar energy None of these Mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a transistor operates at the middle of the load line, an increase in the base resistance will move the Q point down None of these up off the load line nowhere down None of these up off the load line nowhere ANSWER DOWNLOAD EXAMIANS APP