Electronic Principles What are the main parts of an atom? Electrons, ions, and neutrons None of these Electrons, protons, and ions Protons only Electrons, protons, and neutrons Electrons, ions, and neutrons None of these Electrons, protons, and ions Protons only Electrons, protons, and neutrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between the kinds of charges for an electron and a proton? An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has no charge An electron has a negative charge and a proton has no charge None of these An electron has a positive charge and a proton has a negative charge An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has no charge An electron has a negative charge and a proton has no charge None of these An electron has a positive charge and a proton has a negative charge ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Retentivity Permeance Reluctance Permeability There is no valid comparison Retentivity Permeance Reluctance Permeability There is no valid comparison ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Norton's theorem replaces a complicated circuit facing a load by an Ideal current source and parallel resistor None of these Ideal current source and series resistor Ideal voltage source and parallel resistor Ideal voltage source and series resistor Ideal current source and parallel resistor None of these Ideal current source and series resistor Ideal voltage source and parallel resistor Ideal voltage source and series resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Magnetomotive force Reluctance Flux density None of these Number of lines of force Magnetomotive force Reluctance Flux density None of these Number of lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 0.25 None of these 0.5 180 4 0.25 None of these 0.5 180 4 ANSWER DOWNLOAD EXAMIANS APP
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