Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? 550 Ohm 310 Ohm None of these 400 Ohm 410 Ohm 550 Ohm 310 Ohm None of these 400 Ohm 410 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Positive ions are atoms that have Lost an electron Lost a proton None of these Gained an electron Gained a proton Lost an electron Lost a proton None of these Gained an electron Gained a proton ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 60 V 0 V 40 V 36 V None of these 60 V 0 V 40 V 36 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RL circuit? The total voltage is equal to the sum of the voltages across the resistance and inductance None of these The total voltage lags the total current by less than 90 The voltage always has the same amplitude and phase for every part of the circuit The total voltages is less than the sum of the voltages across the resistance and inductance The total voltage is equal to the sum of the voltages across the resistance and inductance None of these The total voltage lags the total current by less than 90 The voltage always has the same amplitude and phase for every part of the circuit The total voltages is less than the sum of the voltages across the resistance and inductance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: None of these from neutral to positive from negative to positive from right to left from positive to negative None of these from neutral to positive from negative to positive from right to left from positive to negative ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Thevenin theorem replaces a complicated circuit facing a load by an None of these Ideal voltage source and series resistor Ideal current source and series resistor Ideal voltage source and parallel resistor Ideal current source and parallel resistor None of these Ideal voltage source and series resistor Ideal current source and series resistor Ideal voltage source and parallel resistor Ideal current source and parallel resistor ANSWER DOWNLOAD EXAMIANS APP
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