Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 208 V 651 V None of these 707 V 700 V 208 V 651 V None of these 707 V 700 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a series RLC circuit is operating at its resonant frequency: capacitive reactance is greater than the inductive reactance inductive reactance is greater than the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is equal to the capacitive reactance None of these capacitive reactance is greater than the inductive reactance inductive reactance is greater than the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is equal to the capacitive reactance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The saturation point is approximately the same as upper end of the load line cutoff point lower end of the load line None of these infinity upper end of the load line cutoff point lower end of the load line None of these infinity ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A basic capacitor is composed of: two coils separated by a dielectric two dielectrics separated by a conductor two conductors separated by a dielectric None of these two coils separated by a conductor two coils separated by a dielectric two dielectrics separated by a conductor two conductors separated by a dielectric None of these two coils separated by a conductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the base current collector current emitter current supply current None of these base current collector current emitter current supply current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: always increases as the applied frequency increases always decreases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance None of these is maximum at the resonant frequency always increases as the applied frequency increases always decreases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance None of these is maximum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP