Electronic Principles Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA? 18.8 V None of these 0.17 V 20 V 10.17 V 18.8 V None of these 0.17 V 20 V 10.17 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a series RC circuit? The total current is greater than the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents for the resistance and capacitance None of these The total current is greater than the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents for the resistance and capacitance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? Same number as free electrons None of these many Only those produced by thermal energy less than the free electrons Same number as free electrons None of these many Only those produced by thermal energy less than the free electrons 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 Which one of the following phrases most accurately describes a purely inductive circuit? Inductive reactance provides the only opposition to current flow Combinations of resistance and inductive reactance provide any opposition to current flow The ac voltage lags the current by 90 degree Resistances provide the only opposition to current flow None of these Inductive reactance provides the only opposition to current flow Combinations of resistance and inductive reactance provide any opposition to current flow The ac voltage lags the current by 90 degree Resistances provide the only opposition to current flow None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What causes the depletion layer? Ions None of these Doping Recombination Barrier potential Ions None of these Doping Recombination Barrier potential ANSWER DOWNLOAD EXAMIANS APP
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