Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the None of these base current emitter current collector current supply current None of these base current emitter current collector current supply current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 3 43922 43891 2 None of these 3 43922 43891 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it? None of these E = PR E = I2R I = ER I = E/R None of these E = PR E = I2R I = ER I = E/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: has no effect on ac signals None of these passes lower-frequency signals and reduces higher-frequency signals passes higher-frequency signals and reduces lower-frequency signals increases the level of all frequencies by a significant amount has no effect on ac signals None of these passes lower-frequency signals and reduces higher-frequency signals passes higher-frequency signals and reduces lower-frequency signals increases the level of all frequencies by a significant amount ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Decreases 0oC Stays the same Increases None of these Decreases 0oC Stays the same Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: increasing the area of the plates decreasing the area of the plates increasing the voltage applied to the plates None of these increasing the frequency of the applied voltage increasing the area of the plates decreasing the area of the plates increasing the voltage applied to the plates None of these increasing the frequency of the applied voltage ANSWER DOWNLOAD EXAMIANS APP
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