Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 30.4 V None of these 38.74 V 37.4 V 35.4 V 30.4 V None of these 38.74 V 37.4 V 35.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: cuts the capacitive reactance in half multiplies the capacitive reactance by 6.28 None of these has no effect on the capacitive reactance doubles the amount of a capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 6.28 None of these has no effect on the capacitive reactance doubles the amount of a capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductance of a series inductor circuit is: equal to the source voltage divided by total current equal to the sum of the individual inductive-reactance values None of these less than the value of the smallest inductor equal to the sum of the individual inductance values equal to the source voltage divided by total current equal to the sum of the individual inductive-reactance values None of these less than the value of the smallest inductor equal to the sum of the individual inductance values ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a series RLC circuit? The sum of the current is always less than the applied current The current waveform for each component always has the same amplitude and phase as the applied current All of these The voltage waveform for each component always has the same amplitude and phase as the applied voltage None of these The sum of the current is always less than the applied current The current waveform for each component always has the same amplitude and phase as the applied current All of these The voltage waveform for each component always has the same amplitude and phase as the applied voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? None of these Two - a negative terminal and a positive terminal One - a negative terminal Four - two negative and two positive Three - negative, positive and neutral terminals None of these Two - a negative terminal and a positive terminal One - a negative terminal Four - two negative and two positive Three - negative, positive and neutral terminals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? The voltage remains at one polarity but changes value periodically The voltage causes current to flow in two directions at the same time The voltage reverses polarity periodically The voltage remains at one polarity and at a steady level None of these The voltage remains at one polarity but changes value periodically The voltage causes current to flow in two directions at the same time The voltage reverses polarity periodically The voltage remains at one polarity and at a steady level None of these ANSWER DOWNLOAD EXAMIANS APP