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? 208 V 700 V 651 V 707 V None of these 208 V 700 V 651 V 707 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An ideal voltage source has None of these Zero internal resistance A load dependent voltage Infinite internal resistance A load-dependent current None of these Zero internal resistance A load dependent voltage Infinite internal resistance A load-dependent current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: multiplies the inductive reactance by 6.28 cuts the inductive reactance in half None of these has no effect on the inductive reactance doubles the amount of inductive reactance multiplies the inductive reactance by 6.28 cuts the inductive reactance in half None of these has no effect on the inductive reactance doubles the amount of inductive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Positive ions are atoms that have Lost an electron Gained an electron Lost a proton None of these Gained a proton Lost an electron Gained an electron Lost a proton None of these Gained a proton ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Secondary voltage None of these Primary voltage Neither Impossible to say Secondary voltage None of these Primary voltage Neither Impossible to say ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode 12 mA 11 mA 14 mA 10 mA None of these 12 mA 11 mA 14 mA 10 mA None of these ANSWER DOWNLOAD EXAMIANS APP