Electronic Principles What is one important thing transistors do? Amplify weak signals Rectify line voltage Regulate voltage None of these Emit light Amplify weak signals Rectify line voltage Regulate voltage None of these Emit light ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Determine the resistance value and tolerance of a resistor that has the following color bands; first band is red, second band is red, third band is orange, and the fourth band is gold 22, 000 Ohm, 10% 220 Ohm, 5% None of these 22,000 Ohm, 5% 220 Ohm, 10% 22, 000 Ohm, 10% 220 Ohm, 5% None of these 22,000 Ohm, 5% 220 Ohm, 10% ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 0.1 A 1000 A 100 A None of these 0.41666666666667 0.1 A 1000 A 100 A None of these 0.41666666666667 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Thevenin theorem replaces a complicated circuit facing a load by an None of these Ideal voltage source and series resistor Ideal current source and series resistor Ideal voltage source and parallel resistor Ideal current source and parallel resistor None of these Ideal voltage source and series resistor Ideal current source and series resistor Ideal voltage source and parallel resistor Ideal current source and parallel resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of At least 10 Ohm More than 100 k Ohm None of these Less than 100 k Ohm Less than 10 Ohm At least 10 Ohm More than 100 k Ohm None of these Less than 100 k Ohm Less than 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently None of these Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the core material is saturated Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently None of these Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the core material is saturated ANSWER DOWNLOAD EXAMIANS APP
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