Electronic Principles A real voltage source has Zero internal resistance None of these A large internal resistance Infinite internal resistance A small internal resistance Zero internal resistance None of these A large internal resistance Infinite internal resistance A small internal resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? Combinations of resistance and capacitive reactance provide any opposition to current flow The ac voltage leads the current by 90 degree Resistances provide the only opposition to current flow None of these Capacitive reactance provides the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow The ac voltage leads the current by 90 degree Resistances provide the only opposition to current flow None of these Capacitive reactance provides the only opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a parallel RLC circuit? None of these The voltage waveform for each component always has the same amplitude and phase as the applied voltage All of these The current waveform for each component always has the same amplitude and phase as the applied current The sum of the current is always less than the applied current None of these The voltage waveform for each component always has the same amplitude and phase as the applied voltage All of these The current waveform for each component always has the same amplitude and phase as the applied current The sum of the current is always less than the applied current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current leads the voltage by 90 degree None of these ac current lags the voltage by 90 degree ac current and voltage are exactly in phase ac current is converted to dc voltage ac current leads the voltage by 90 degree None of these ac current lags the voltage by 90 degree ac current and voltage are exactly in phase ac current is converted to dc voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 0.05 mA 3.75 mA 3.2 mA None of these 13 mA 0.05 mA 3.75 mA 3.2 mA None of these 13 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the amplitude at 1.41 times the maximum value the amplitude at 90% of the maximum value None of these the amplitude at 70.7% of the maximum value the maximum positive or negative value the amplitude at 1.41 times the maximum value the amplitude at 90% of the maximum value None of these the amplitude at 70.7% of the maximum value the maximum positive or negative value ANSWER DOWNLOAD EXAMIANS APP