Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? None of these 3.2 mA 3.75 mA 0.05 mA 13 mA None of these 3.2 mA 3.75 mA 0.05 mA 13 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 16 V 8 V None of these 7.5 V 15 V 16 V 8 V None of these 7.5 V 15 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Primary voltage Impossible to say None of these Neither Secondary voltage Primary voltage Impossible to say None of these Neither Secondary voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 18 V None of these 12 V 30 V 24 V 18 V None of these 12 V 30 V 24 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the Q point moves along the load line, the voltage increases when the current Decreases None of these Increases Can be any of above Stays the same Decreases None of these Increases Can be any of above Stays the same ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: has no effect on ac signals passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals reduces 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 reduces the level of all frequencies by a significant amount None of these ANSWER DOWNLOAD EXAMIANS APP
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