Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.2 mA 3.75 mA 13 mA None of these 0.05 mA 3.2 mA 3.75 mA 13 mA None of these 0.05 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals increases the level of all frequencies by a significant amount None of these has no effect on ac signals passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals increases the level of all frequencies by a significant amount None of these has no effect on ac signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: cuts the total current by one-half None of these thrice the amount of total current has no effect on the total circuit current doubles the amount of total current cuts the total current by one-half None of these thrice the amount of total current has no effect on the total circuit current doubles the amount of total current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The barrier potential accross each depletion layer is 0.8 V 0.7 V 20 V None of these 0.8 V 0.7 V 20 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the base supply voltage increases, the Q point moves up off the load line None of these nowhere down up off the load line None of these nowhere down ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 30.4 V 35.4 V 38.74 V None of these 37.4 V 30.4 V 35.4 V 38.74 V None of these 37.4 V ANSWER DOWNLOAD EXAMIANS APP