Electronic Principles Which one of the following statements is true for the voltages in a series RL circuit? The total voltage is less than the sum of the voltages across the resistance and inductance None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltage lags the total current by less than 90 The total voltages is equal to the sum of the voltages across the resistance and inductance The total voltage is less than the sum of the voltages across the resistance and inductance None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltage lags the total current by less than 90 The total voltages is equal to the sum of the voltages across the resistance and inductance ANSWER DOWNLOAD EXAMIANS APP
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? None of these 400 Ohm 550 Ohm 410 Ohm 310 Ohm None of these 400 Ohm 550 Ohm 410 Ohm 310 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: One-half the primary current None of these No more than 10% less than the primary current Same as the primary current Twice the primary current One-half the primary current None of these No more than 10% less than the primary current Same as the primary current Twice the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a parallel RLC circuit is operating at its resonant frequency: the difference between inductive and capacitive reactance is equal to the resistance None of these capacitive reactance is greater than the inductive reactance inductive reactance is greater than the capacitive reactance inductive reactance is equal to the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance None of these capacitive reactance is greater than the inductive reactance inductive reactance is greater than the capacitive reactance inductive reactance is equal to the capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? Protons only Electrons, protons, and neutrons None of these Electrons, protons, and ions Electrons, ions, and neutrons Protons only Electrons, protons, and neutrons None of these Electrons, protons, and ions Electrons, ions, and neutrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 0.05 mA 13 mA None of these 3.75 mA 3.2 mA 0.05 mA 13 mA None of these 3.75 mA 3.2 mA ANSWER DOWNLOAD EXAMIANS APP
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