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 10.3 µA 7.8 µA 7.75 µA None of these 14.8 µA 10.3 µA 7.8 µA 7.75 µA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? None 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 All of these None 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 All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: the time required to complete one full cycle the number of cycles completed in one second None of these equal to 0.707 times the peak amplitude equal to 1.41 times the peak amplitude the time required to complete one full cycle the number of cycles completed in one second None of these equal to 0.707 times the peak amplitude equal to 1.41 times the peak amplitude ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Rectify line voltage Regulate voltage Amplify weak signals Emit light None of these Rectify line voltage Regulate voltage Amplify weak signals Emit light None of these 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 power dissipation of a resistance when you know the voltage drop and current? None of these P = E2/R P = IE I = P/E P = I2R None of these P = E2/R P = IE I = P/E P = I2R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: one million ohms 100,000 ohm 1 k ohm None of these one-millionth of an ohm one million ohms 100,000 ohm 1 k ohm None of these one-millionth of an ohm ANSWER DOWNLOAD EXAMIANS APP
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