Electronic Principles What are the main parts of an atom? Electrons, protons, and ions Electrons, protons, and neutrons Protons only Electrons, ions, and neutrons None of these Electrons, protons, and ions Electrons, protons, and neutrons Protons only Electrons, ions, and neutrons None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: frequent changes in the direction of current through the coil causes heating effects in the core material the core is permitted to move freely within the coil 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 None of these frequent changes in the direction of current through the coil causes heating effects in the core material the core is permitted to move freely within the coil 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? 1234 Ohm 692.2 Ohm 844.5 Ohm 3890 Ohm None of these 1234 Ohm 692.2 Ohm 844.5 Ohm 3890 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The saturation point is approximately the same as cutoff point lower end of the load line upper end of the load line infinity None of these cutoff point lower end of the load line upper end of the load line infinity None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current can flow through a normally open push button switch as long as: its contact remain open you are not pressing the button None of these you are pressing the button its contact remain open its contact remain open you are not pressing the button None of these you are pressing the button its contact remain open ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? None of these 220 ohm 445 ohm 690 ohm 150 ohm None of these 220 ohm 445 ohm 690 ohm 150 ohm ANSWER DOWNLOAD EXAMIANS APP
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