Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? Inductive reactance provides the only opposition to current flow None of these Combinations of resistance and inductive reactance provide any opposition to current flow The ac voltage lags the current by 90 degree Resistances provide the only opposition to current flow Inductive reactance provides the only opposition to current flow None of these Combinations of resistance and inductive reactance provide any opposition to current flow The ac voltage lags the current by 90 degree Resistances provide the only opposition to current flow 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 inductive reactance is greater than the capacitive reactance None of these capacitive reactance is greater than the inductive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is equal to the capacitive reactance inductive reactance is greater than the capacitive reactance None of these capacitive reactance is greater than the inductive reactance the difference between inductive and capacitive reactance is equal to the resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 85 9 6 None of these 81 85 9 6 None of these 81 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Inductive reactance is measured in units of: henrys Ohm volts per second None of these amperes per second henrys Ohm volts per second None of these amperes per second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 0.05 mA None of these 3.2 mA 13 mA 3.75 mA 0.05 mA None of these 3.2 mA 13 mA 3.75 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values? 0.93 W 9.3 W 0.041666666666667 0.93 V None of these 0.93 W 9.3 W 0.041666666666667 0.93 V None of these ANSWER DOWNLOAD EXAMIANS APP
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