Electronic Principles What is a free electron? An electron that has no electrical charge None of these An electron that costs nothing An electron that has twice the amount of charge of a normal electron An electron that has been freed from its parent atom An electron that has no electrical charge None of these An electron that costs nothing An electron that has twice the amount of charge of a normal electron An electron that has been freed from its parent atom ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? None of these 6 9 81 85 None of these 6 9 81 85 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it? E = I2R None of these I = E/R E = PR I = ER E = I2R None of these I = E/R E = PR I = ER ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? Electrons, ions, and neutrons Electrons, protons, and ions Electrons, protons, and neutrons None of these Protons only Electrons, ions, and neutrons Electrons, protons, and ions Electrons, protons, and neutrons None of these Protons only ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? Number of lines of force Reluctance Flux density Magnetomotive force None of these Number of lines of force Reluctance Flux density Magnetomotive force None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The dielectric constant of a material is a measure of: None of these the amount of voltage it can withstand before breaking down how well the material concentrates magnetic lines of force the amount of opposition to the current flow how well the material concentrates electrostatic lines of force None of these the amount of voltage it can withstand before breaking down how well the material concentrates magnetic lines of force the amount of opposition to the current flow how well the material concentrates electrostatic lines of force ANSWER DOWNLOAD EXAMIANS APP
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