Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.75 mA None of these 3.2 mA 0.05 mA 13 mA 3.75 mA None of these 3.2 mA 0.05 mA 13 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode? 55 A 55.86 A 16.3 mA None of these 18.2 mA 55 A 55.86 A 16.3 mA None of these 18.2 mA 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? E = I2R E = PR I = ER I = E/R None of these E = I2R E = PR I = ER I = E/R None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? A feiTomagnetic material A diamagnetic material All of these None of these A paramagnetic material A feiTomagnetic material A diamagnetic material All of these None of these A paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts chemical energy to electrical energy is called a: electric device thermocouple solar cell chemical cell None of these electric device thermocouple solar cell chemical cell None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: doubles the amount of inductive reactance None of these multiplies the inductive reactance by 6.28 has no effect on the inductive reactance cuts the inductive reactance in half doubles the amount of inductive reactance None of these multiplies the inductive reactance by 6.28 has no effect on the inductive reactance cuts the inductive reactance in half ANSWER DOWNLOAD EXAMIANS APP