Electronic Principles How may valence electrons does a silicon atom have? 4 2 None of these 1 4 2 None of these 1 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: a good conductor of magnetic fields None of these a poor conductor of electrostatic fields a good insulator a good conductor a good conductor of magnetic fields None of these a poor conductor of electrostatic fields a good insulator a good conductor 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 an increase in current through the coil causes no further increase in the mmf changing the polarity of the current in the coil changes the polarity of the magnetic field around the core frequent changes in the direction of current through the coil causes heating effects in the core material None of these the core is permitted to move freely within the coil an increase in current through the coil causes no further increase in the mmf changing the polarity of the current in the coil changes the polarity of the magnetic field around the core frequent changes in the direction of current through the coil causes heating effects in the core material None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff? 10 Ohm None of these 60 Ohm 50 Ohm 100 Ohm or more 10 Ohm None of these 60 Ohm 50 Ohm 100 Ohm or more ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A farad is defined as the amount of capacitance necessary for: changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing causing an ac phase shift greater than 90 degree dissipating 1 W of power None of these storing 1 V for 1 second changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing causing an ac phase shift greater than 90 degree dissipating 1 W of power None of these storing 1 V for 1 second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? Protons only Electrons, protons, and neutrons Electrons, protons, and ions None of these Electrons, ions, and neutrons Protons only Electrons, protons, and neutrons Electrons, protons, and ions None of these Electrons, ions, and neutrons ANSWER DOWNLOAD EXAMIANS APP
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