Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 14.8 µA 7.75 µA None of these 10.3 µA 7.8 µA 14.8 µA 7.75 µA None of these 10.3 µA 7.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: cuts the inductive reactance in half multiplies the inductive reactance by 6.28 doubles the amount of inductive reactance None of these has no effect on the inductive reactance cuts the inductive reactance in half multiplies the inductive reactance by 6.28 doubles the amount of inductive reactance None of these has no effect on the inductive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a series RC circuit? The total current is greater than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current is less than the sum of the currents for the resistance and capacitance The total current is equal to the sum of the currents for the resistance and capacitance None of these The total current is greater than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current is less than the sum of the currents for the resistance and capacitance The total current is equal to the sum of the currents for the resistance and capacitance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? None of these Neither Primary voltage Impossible to say Secondary voltage None of these Neither Primary voltage Impossible to say Secondary voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? Current and voltages are in phase through a resistor None of these All of these Current lags the voltage through a resistor Current leads the voltage through a resistor Current and voltages are in phase through a resistor None of these All of these Current lags the voltage through a resistor Current leads the voltage through a resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles As the temperature increases, the current gain decreases increases None of these can be any of the above contant decreases increases None of these can be any of the above contant ANSWER DOWNLOAD EXAMIANS APP
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