Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? None of these 651 V 208 V 700 V 707 V None of these 651 V 208 V 700 V 707 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: cuts the inductive reactance in half has no effect on the inductive reactance doubles the amount of inductive reactance multiplies the inductive reactance by 6.28 None of these cuts the inductive reactance in half has no effect on the inductive reactance doubles the amount of inductive reactance multiplies the inductive reactance by 6.28 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a parallel RLC circuit? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: None of these peak the voltage and round off the current waveforms peak both the voltage and current waveforms round off both the voltage and current waveforms peak the current and round off the voltage waveforms None of these peak the voltage and round off the current waveforms peak both the voltage and current waveforms round off both the voltage and current waveforms peak the current and round off the voltage waveforms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from zero to its rms value from 10% of the peak value to 90% of the peak value None of these from zero to its peak value from 10% of the peak value to 70.7% of the peak value from zero to its rms value from 10% of the peak value to 90% of the peak value None of these from zero to its peak value from 10% of the peak value to 70.7% of the peak value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: generators None of these oscillators batteries lightning generators None of these oscillators batteries lightning ANSWER DOWNLOAD EXAMIANS APP
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