Electronic Principles An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? 24.2 mA None of these 28.4 mA 68.4 mA 34.4 mA 24.2 mA None of these 28.4 mA 68.4 mA 34.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: 1 k ohm one-millionth of an ohm 100,000 ohm one million ohms None of these 1 k ohm one-millionth of an ohm 100,000 ohm one million ohms None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: None of these peak the current and round off the voltage waveforms round off both the voltage and current waveforms peak both the voltage and current waveforms peak the voltage and round off the current waveforms None of these peak the current and round off the voltage waveforms round off both the voltage and current waveforms peak both the voltage and current waveforms peak the voltage and round off the current waveforms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? All of these None of these A diamagnetic material A paramagnetic material A feiTomagnetic material All of these None of these A diamagnetic material A paramagnetic material A feiTomagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 0.5 4 0.25 None of these 180 0.5 4 0.25 None of these 180 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it? None of these E = PR E = I2R I = E/R I = ER None of these E = PR E = I2R I = E/R I = ER ANSWER DOWNLOAD EXAMIANS APP
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