Electronic Principles Positive ions are atoms that have Gained a proton Lost an electron None of these Gained an electron Lost a proton Gained a proton Lost an electron None of these Gained an electron Lost a proton ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases best describes residual magnetism? The amount of magnetic flux that is not confined to the core material of an electromagnet None of these The circular magnetic field that surrounds a conductor carrying a current 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 The amount of magnetic flux that is not confined to the core material of an electromagnet None of these The circular magnetic field that surrounds a conductor carrying a current 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 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 None of these Out of this page Clockwise Counterclockwise Into this page None of these Out of this page Clockwise Counterclockwise ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 250 µA None of these 0.25 µA 300 µA 350 µA 250 µA None of these 0.25 µA 300 µA 350 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What causes the depletion layer? Ions Barrier potential Doping Recombination None of these Ions Barrier potential Doping Recombination None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? None of these 40 V 36 V 0 V 60 V None of these 40 V 36 V 0 V 60 V ANSWER DOWNLOAD EXAMIANS APP