Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 85 9 81 6 None of these 85 9 81 6 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a series RLC circuit has the characteristics of a: None of these purely resistive circuit series RLC circuit operated below its resonant frequency series RL circuit series RC circuit None of these purely resistive circuit series RLC circuit operated below its resonant frequency series RL circuit series RC circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Current flowing through a conductor generates a magnetic field Current is induced in a conductor that is moving through a magnetic field None of these Like magnetic poles repel, while unlike poles attract Like magnetic poles attract, while unlike poles repel Current flowing through a conductor generates a magnetic field Current is induced in a conductor that is moving through a magnetic field None of these Like magnetic poles repel, while unlike poles attract Like magnetic poles attract, while unlike poles repel ANSWER DOWNLOAD EXAMIANS APP
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 statements is true for resistance in a parallel circuit? The total resistance of a parallel circuit is equal to the total voltage The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance is equal to the sum of the individual resistances in a parallel circuit. None of these The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance of a parallel circuit is equal to the total voltage The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance is equal to the sum of the individual resistances in a parallel circuit. None of these The total resistance in a parallel circuit is equal to the average value of the individual resistances ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: None of these nicad cell solar cell photodiode piezoelectric device None of these nicad cell solar cell photodiode piezoelectric device ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS