Electronic Principles The knee voltage of a diode is approximately equal to the Forward voltage Applied voltage Breakdown voltage Barrier potential None of these Forward voltage Applied voltage Breakdown voltage Barrier potential None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: round off both the voltage and current waveforms peak the voltage and round off the current waveforms peak both the voltage and current waveforms None of these peak the current and round off the voltage waveforms round off both the voltage and current waveforms peak the voltage and round off the current waveforms peak both the voltage and current waveforms None of these peak the current and round off the voltage waveforms ANSWER DOWNLOAD EXAMIANS APP
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 208 V 700 V 651 V 707 V None of these 208 V 700 V 651 V 707 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.4 A 0.2 A 0.6 A None of these 0.3 A 0.4 A 0.2 A 0.6 A None of these 0.3 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: None of these has no effect on the inductance reduces the value of inductance by one-half multiplies the value of inductance by four multiplies the value of inductance by two None of these has no effect on the inductance reduces the value of inductance by one-half multiplies the value of inductance by four multiplies the value of inductance by two ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 8 V 16 V None of these 7.5 V 15 V 8 V 16 V None of these 7.5 V 15 V ANSWER DOWNLOAD EXAMIANS APP