Electronic Principles Which one of the following kinds of materials has the highest permeability? All of these A ferromagnetic material A diamagnetic material A paramagnetic material None of these All of these A ferromagnetic material A diamagnetic material A paramagnetic material None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 20 mW 10 mW 300 mW 200 mW None of these 20 mW 10 mW 300 mW 200 mW None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 120 Ohm 30 Ohm None of these 60 Ohm 754 Ohm 120 Ohm 30 Ohm None of these 60 Ohm 754 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Like magnetic poles repel, while unlike poles attract Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract, while unlike poles repel Current flowing through a conductor generates a magnetic field None of these Like magnetic poles repel, while unlike poles attract Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract, while unlike poles repel Current flowing through a conductor generates a magnetic field None of these 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? 16.3 mA 55.86 A 55 A 18.2 mA None of these 16.3 mA 55.86 A 55 A 18.2 mA None of these 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? 13 mA 3.2 mA None of these 3.75 mA 0.05 mA 13 mA 3.2 mA None of these 3.75 mA 0.05 mA ANSWER DOWNLOAD EXAMIANS APP
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