Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 0.25 µA None of these 350 µA 300 µA 250 µA 0.25 µA None of these 350 µA 300 µA 250 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The period of a waveform is: None of these the time required to complete one full cycle equal to 0.707 times the peak amplitude the number of cycles completed in one second the time required for the voltage to rise from 10% to 90% of the peak amplitude None of these the time required to complete one full cycle equal to 0.707 times the peak amplitude the number of cycles completed in one second the time required for the voltage to rise from 10% to 90% of the peak amplitude ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the voltage drop and amount of resistance? I = P/E P = I2R P = IE None of these P = E2/R I = P/E P = I2R P = IE None of these P = E2/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 60-W light bulb that is operating at 120 V? 0.5A 0.083333333333333 7200 A None of these 180 A 0.5A 0.083333333333333 7200 A None of these 180 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? Combinations of resistance and inductive reactance provide any opposition to current flow Resistances provide the only opposition to current flow The ac voltage lags the current by 90 degree Inductive reactance provides the only opposition to current flow None of these Combinations of resistance and inductive reactance provide any opposition to current flow Resistances provide the only opposition to current flow The ac voltage lags the current by 90 degree Inductive reactance provides the only opposition to current flow None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 50 Ohm or more None of these 5 Ohm 100 Ohm 6 Ohm 50 Ohm or more None of these 5 Ohm 100 Ohm 6 Ohm ANSWER DOWNLOAD EXAMIANS APP
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