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 0.05 mA 3.75 mA 13 mA 3.2 mA None of these 0.05 mA 3.75 mA 13 mA 3.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? Resistances provide the only opposition to current flow Capacitive reactance provides the only opposition to current flow None of these The ac voltage leads the current by 90 degree Combinations of resistance and capacitive reactance provide any opposition to current flow Resistances provide the only opposition to current flow Capacitive reactance provides the only opposition to current flow None of these The ac voltage leads the current by 90 degree Combinations of resistance and capacitive reactance provide any opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: 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 cuts the inductive reactance in half multiplies the inductive reactance by 6.28 doubles the amount of inductive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 micro A is: 1000 A one million amperes 10000A None of these one-millionth of an ampere 1000 A one million amperes 10000A None of these one-millionth of an ampere ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 120 Ohm 60 Ohm 754 Ohm None of these 30 Ohm 120 Ohm 60 Ohm 754 Ohm None of these 30 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RC circuit? The total current is equal to 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 greater than the sum of the currents for the resistance and capacitance None of these The total current is equal to 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 greater than the sum of the currents for the resistance and capacitance None of these ANSWER DOWNLOAD EXAMIANS APP
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