Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 24 V 600 V None of these 4.73 0.4 V 24 V 600 V None of these 4.73 0.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 3 43922 None of these 2 43891 3 43922 None of these 2 43891 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The valence electron of a copper atom experiences what kind of attraction toward the nucleus? Strong Neutral None of these Impossible to say Weak Strong Neutral None of these Impossible to say Weak ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Absolute Zero temperature equals -273o C None of these -276o C 0o C 25o C -273o C None of these -276o C 0o C 25o C ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: peak the current and round off the voltage waveforms peak the voltage and round off the current waveforms round off both the voltage and current waveforms peak both the voltage and current waveforms None of these peak the current and round off the voltage waveforms peak the voltage and round off the current waveforms round off both the voltage and current waveforms peak both the voltage and current waveforms None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 100 V 120 V 170 V 180 V None of these 100 V 120 V 170 V 180 V None of these ANSWER DOWNLOAD EXAMIANS APP