Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 13 mA 3.75 mA None of these 0.05 mA 3.2 mA 13 mA 3.75 mA None of these 0.05 mA 3.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: passes lower-frequency signals and reduces higher-frequency signals passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals reduces the level of all frequencies by a significant amount None of these passes lower-frequency signals and reduces higher-frequency signals passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals reduces the level of all frequencies by a significant amount None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a parallel RLC circuit is operating at its resonant frequency: inductive reactance is equal to the capacitive reactance capacitive reactance is greater than the inductive reactance inductive reactance is greater than the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance None of these inductive reactance is equal to the capacitive reactance capacitive reactance is greater than the inductive reactance inductive reactance is greater than the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Norton current is sometimes called the None of these Open-load current Thevenin voltage Shorted-load current Thevenin current None of these Open-load current Thevenin voltage Shorted-load current Thevenin current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? None of these Rectify line voltage Emit light Amplify weak signals Regulate voltage None of these Rectify line voltage Emit light Amplify weak signals Regulate voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal None of these Four - two negative and two positive One - a negative terminal Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal None of these Four - two negative and two positive One - a negative terminal ANSWER DOWNLOAD EXAMIANS APP