Electronic Principles Current can flow through a normally open push button switch as long as: its contact remain open None of these its contact remain open you are not pressing the button you are pressing the button its contact remain open None of these its contact remain open you are not pressing the button you are pressing the button ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? None of these The rate of change of the number of lines of magnetic force The concentration of lines of magnetic force The opposition to a build-up of magnetic fields The force that maintains lines of force None of these The rate of change of the number of lines of magnetic force The concentration of lines of magnetic force The opposition to a build-up of magnetic fields The force that maintains lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? Electrons, ions, and neutrons Electrons, protons, and neutrons Electrons, protons, and ions Protons only None of these Electrons, ions, and neutrons Electrons, protons, and neutrons Electrons, protons, and ions Protons only None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: cuts the current through the inductors one-half doubles the amount of 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 has no effect on the current through the inductors cuts the current through the inductors one-half doubles the amount of 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 has no effect on the current through the inductors ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: 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 None of these changing the polarity of the current in the coil changes the polarity of the magnetic field around the core 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 None of these changing the polarity of the current in the coil changes the polarity of the magnetic field around the core an increase in current through the coil causes no further increase in the mmf ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the base supply voltage increases, the Q point moves None of these off the load line down nowhere up None of these off the load line down nowhere up ANSWER DOWNLOAD EXAMIANS APP
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