Electronic Principles The merging of a free electron and a hole is called Recombination Thermal energy Lifetime None of these Covalent bonding Recombination Thermal energy Lifetime None of these Covalent bonding ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: is maximum at the resonant frequency None of these always increases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always decreases as the applied frequency increases is maximum at the resonant frequency None of these always increases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always decreases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RL circuit? None of these The total current leads the total voltage by less than 90 The total current is less than the sum of the currents through the resistance and inductance The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents through the resistance and inductance None of these The total current leads the total voltage by less than 90 The total current is less than the sum of the currents through the resistance and inductance The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents through the resistance and inductance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: cuts the total current by one-half None of these thrice the amount of total current has no effect on the total circuit current doubles the amount of total current cuts the total current by one-half None of these thrice the amount of total current has no effect on the total circuit current doubles the amount of total current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? Resistances provide the only opposition to current flow None of these The ac voltage lags the current by 90 degree Combinations of resistance and inductive reactance provide any opposition to current flow Inductive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow None of these The ac voltage lags the current by 90 degree Combinations of resistance and inductive reactance provide any opposition to current flow Inductive reactance provides the only opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a series RLC circuit has the characteristics of a: purely resistive circuit series RC circuit series RLC circuit operated above its resonant frequency series RL circuit None of these purely resistive circuit series RC circuit series RLC circuit operated above its resonant frequency series RL circuit None of these ANSWER DOWNLOAD EXAMIANS APP