Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W? 88.8 ohm 224 ohm 77.7 ohm 89.3 ohm None of these 88.8 ohm 224 ohm 77.7 ohm 89.3 ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently None of these Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the core material is saturated Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently None of these Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the core material is saturated Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point None of these down off the load line up nowhere None of these down off the load line up nowhere ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical into electrical energy is? generator chemical cell thermocouple None of these solar cell generator chemical cell thermocouple None of these solar cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Thevenin theorem replaces a complicated circuit facing a load by an Ideal voltage source and parallel resistor Ideal current source and parallel resistor Ideal voltage source and series resistor None of these Ideal current source and series resistor Ideal voltage source and parallel resistor Ideal current source and parallel resistor Ideal voltage source and series resistor None of these Ideal current source and series resistor ANSWER DOWNLOAD EXAMIANS APP
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? 34.4 mA 28.4 mA 24.2 mA None of these 68.4 mA 34.4 mA 28.4 mA 24.2 mA None of these 68.4 mA ANSWER DOWNLOAD EXAMIANS APP