Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 0.41666666666667 None of these 0.1 A 1000 A 100 A 0.41666666666667 None of these 0.1 A 1000 A 100 A 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? Clockwise Into this page None of these Counterclockwise Out of this page Clockwise Into this page None of these Counterclockwise Out of this page ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The saturation point is approximately the same as cutoff point infinity lower end of the load line upper end of the load line None of these cutoff point infinity lower end of the load line upper end of the load line None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 81 85 None of these 6 9 81 85 None of these 6 9 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the phase shift between total current and voltage, if 100 ohm resistor connected in parallel with an inductor that has a reactance of 200W? 90 degree 0 degree 180 degree None of these 26.6 degree 90 degree 0 degree 180 degree None of these 26.6 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: None of these Crystals Negative charges Atoms Positive charges None of these Crystals Negative charges Atoms Positive charges ANSWER DOWNLOAD EXAMIANS APP
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