Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the supply current emitter current collector current base current None of these supply current emitter current collector current base current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: increases the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals None of these passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals increases the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals None of these passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true? Power dissipation of a pure capacitor increases with operating frequency There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency All of these None of these Power dissipation of a pure capacitor decreases with operating frequency Power dissipation of a pure capacitor increases with operating frequency There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency All of these None of these Power dissipation of a pure capacitor decreases with operating frequency ANSWER DOWNLOAD EXAMIANS APP
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? 10.17 V 20 V 0.17 V 18.8 V None of these 10.17 V 20 V 0.17 V 18.8 V None of these 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 If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? None of these 0 V 40 V 36 V 60 V None of these 0 V 40 V 36 V 60 V ANSWER DOWNLOAD EXAMIANS APP