Electronic Principles Most AC power is obtained from: oscillators None of these lightning batteries generators oscillators None of these lightning batteries generators ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Thevenin theorem replaces a complicated circuit facing a load by an Ideal current source and series resistor Ideal voltage source and series resistor None of these Ideal voltage source and parallel resistor Ideal current source and parallel resistor Ideal current source and series resistor Ideal voltage source and series resistor None of these Ideal voltage source and parallel resistor Ideal current source and parallel resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: has no effect on the current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit None of these doubles the amount of current through the inductors cuts the current through the inductors one-half has no effect on the current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit None of these doubles the amount of current through the inductors cuts the current through the inductors one-half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: piezoeletric cells solar cells chemical cells None of these voltage generators piezoeletric cells solar cells chemical cells None of these voltage generators ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the current gain is 200 and the collector current is 100 mA, the base current is 2 mA 0.5 mA None of these 200 A 0.083333333333333 2 mA 0.5 mA None of these 200 A 0.083333333333333 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: frequent changes in the direction of current through the coil causes heating effects in the core material changing the polarity of the current in the coil changes the polarity of the magnetic field around the core None of these an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil frequent changes in the direction of current through the coil causes heating effects in the core material changing the polarity of the current in the coil changes the polarity of the magnetic field around the core None of these an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil ANSWER DOWNLOAD EXAMIANS APP
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