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? 0.17 V 18.8 V 10.17 V None of these 20 V 0.17 V 18.8 V 10.17 V None of these 20 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? None of these 60 Ohm 30 Ohm 120 Ohm 754 Ohm None of these 60 Ohm 30 Ohm 120 Ohm 754 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Secondary voltage Impossible to say Primary voltage None of these Neither Secondary voltage Impossible to say Primary voltage None of these Neither 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? 18 V 12 V 30 V None of these 24 V 18 V 12 V 30 V None of these 24 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The valence electron of a copper atom experiences what kind of attraction toward the nucleus? Impossible to say Weak None of these Neutral Strong Impossible to say Weak None of these Neutral Strong ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for resistance in a parallel circuit? None of these The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance of a parallel circuit is equal to the total voltage None of these The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance of a parallel circuit is equal to the total voltage ANSWER DOWNLOAD EXAMIANS APP
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