Electronic Principles The total impedance of a parallel RLC circuit: 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 always increases as the applied frequency increases is maximum at the resonant frequency 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 always increases as the applied frequency increases is maximum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? None of these The ac voltage leads the current by 90 degree Capacitive reactance provides the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow Resistances provide the only opposition to current flow None of these The ac voltage leads the current by 90 degree Capacitive reactance provides the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow Resistances provide the only opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the collector current None of these emitter current base current supply current collector current None of these emitter current base current supply current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: multiplies the value of inductance by four None of these multiplies the value of inductance by two reduces the value of inductance by one-half reduces the value of inductance by one-fourth multiplies the value of inductance by four None of these multiplies the value of inductance by two reduces the value of inductance by one-half reduces the value of inductance by one-fourth ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 10 mW 20 mW 300 mW 200 mW None of these 10 mW 20 mW 300 mW 200 mW None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current? 1.75 mA 175 mA 1750 mA 17.5 mA None of these 1.75 mA 175 mA 1750 mA 17.5 mA None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS