Electronic Principles The total impedance of a series RLC circuit: always increases as the applied frequency increases None of these is minimum at the resonant frequency always decreases as the applied frequency increases is maximum at the resonant frequency always increases as the applied frequency increases None of these is minimum at the resonant frequency always decreases as the applied frequency increases is maximum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point None of these down nowhere off the load line up None of these down nowhere off the load line up ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? 28.4 mA 68.4 mA 34.4 mA 24.2 mA None of these 28.4 mA 68.4 mA 34.4 mA 24.2 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for voltage in a parallel circuit? The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit The total voltage of a parallel circuit is the same as the voltages across each branch None of these The total voltage in a parallel circuit is equal to the average value of the individual voltages The total voltage in a parallel circuit is always less than the value of the smallest voltage The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit The total voltage of a parallel circuit is the same as the voltages across each branch None of these The total voltage in a parallel circuit is equal to the average value of the individual voltages The total voltage in a parallel circuit is always less than the value of the smallest voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently None of these Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the core material is saturated Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently None of these Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the core material is saturated ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? R = E2/P None of these P = PR I = P/E P = E2/R R = E2/P None of these P = PR I = P/E P = E2/R ANSWER DOWNLOAD EXAMIANS APP
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