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? 651 V 208 V None of these 707 V 700 V 651 V 208 V None of these 707 V 700 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The knee voltage of a diode is approximately equal to the Applied voltage None of these Breakdown voltage Forward voltage Barrier potential Applied voltage None of these Breakdown voltage Forward voltage Barrier potential ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit doubles the amount of current through the inductors None of these has no effect on the current through the inductors cuts the current through the inductors one-half increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit doubles the amount of current through the inductors None of these has no effect on the current through the inductors cuts the current through the inductors one-half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the phase shift between total current and voltage in the circuit of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm 75 degree 45 degree 180 degree 30 degree None of these 75 degree 45 degree 180 degree 30 degree None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 30 V 24 V 12 V 18 V None of these 30 V 24 V 12 V 18 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The basic unit of measurement for resistance is the: ohm ampere None of these watt volt ohm ampere None of these watt volt ANSWER DOWNLOAD EXAMIANS APP
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