Electronic Principles Which one of the following kinds of materials has the highest permeability? None of these A ferromagnetic material All of these A diamagnetic material A paramagnetic material None of these A ferromagnetic material All of these A diamagnetic material A paramagnetic material 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? 13 mA 3.2 mA 0.05 mA 3.75 mA None of these 13 mA 3.2 mA 0.05 mA 3.75 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a parallel RLC circuit? The sum of the current is always less than the applied current The voltage waveform for each component always has the same amplitude and phase as the applied voltage None of these All of these The current waveform for each component always has the same amplitude and phase as the applied current The sum of the current is always less than the applied current The voltage waveform for each component always has the same amplitude and phase as the applied voltage None of these All of these The current waveform for each component always has the same amplitude and phase as the applied current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: is maximum at the resonant frequency always increases as the applied frequency increases None of these is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always decreases as the applied frequency increases is maximum at the resonant frequency always increases as the applied frequency increases None of these is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always decreases as the applied frequency increases 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? 68.4 mA 28.4 mA None of these 34.4 mA 24.2 mA 68.4 mA 28.4 mA None of these 34.4 mA 24.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: doubles the amount of current through the inductors None of these increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit cuts the current through the inductors one-half has no effect on the current through the inductors doubles the amount of current through the inductors None of these increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit cuts the current through the inductors one-half has no effect on the current through the inductors ANSWER DOWNLOAD EXAMIANS APP
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