Electronic Principles Which one of the following phrases best describes residual magnetism? None of these The circular magnetic field that surrounds a conductor carrying a current The amount of magnetic flux that is not confined to the core material of an electromagnet Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The force of attraction between the poles of a permanent and temporary magnetic field None of these The circular magnetic field that surrounds a conductor carrying a current The amount of magnetic flux that is not confined to the core material of an electromagnet Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The force of attraction between the poles of a permanent and temporary magnetic field 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 Number of lines of force Reluctance Flux density None of these Magnetomotive force Number of lines of force Reluctance Flux density None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true? There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency Power dissipation of a pure capacitor increases with operating frequency All of these None of these Power dissipation of a pure capacitor decreases with operating frequency There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency Power dissipation of a pure capacitor increases with operating frequency All of these None of these Power dissipation of a pure capacitor decreases with operating frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Electron current is flowing through a conductor in a direction you might describe as straight into this page. What is the direction of the resulting magnetic field? Into this page Clockwise Out of this page Counterclockwise None of these Into this page Clockwise Out of this page Counterclockwise None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: None of these a good insulator a good conductor a poor conductor of electrostatic fields a good conductor of magnetic fields None of these a good insulator a good conductor a poor conductor of electrostatic fields a good conductor of magnetic fields ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current can flow through a normally open push button switch as long as: None of these you are pressing the button its contact remain open you are not pressing the button its contact remain open None of these you are pressing the button its contact remain open you are not pressing the button its contact remain open ANSWER DOWNLOAD EXAMIANS APP
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