Electronic Principles A basic capacitor is composed of: two conductors separated by a dielectric None of these two dielectrics separated by a conductor two coils separated by a conductor two coils separated by a dielectric two conductors separated by a dielectric None of these two dielectrics separated by a conductor two coils separated by a conductor two coils separated by a dielectric ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? None of these 1 4 29 18 None of these 1 4 29 18 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: None of these an increase in current through the coil causes no further increase in the mmf 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 the core is permitted to move freely within the coil None of these an increase in current through the coil causes no further increase in the mmf 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 the core is permitted to move freely within the coil ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff? 30 Ohm 100 Ohm None of these 10 Ohm 20 Ohm 30 Ohm 100 Ohm None of these 10 Ohm 20 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Thevenin theorem replaces a complicated circuit facing a load by an Ideal voltage source and series resistor Ideal voltage source and parallel resistor None of these Ideal current source and parallel resistor Ideal current source and series resistor Ideal voltage source and series resistor Ideal voltage source and parallel resistor None of these Ideal current source and parallel resistor Ideal current source and series resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 9 6 85 81 None of these 9 6 85 81 None of these ANSWER DOWNLOAD EXAMIANS APP
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