Electronic Principles Which one of the following phrases best describes residual magnetism? None of these The amount of magnetic flux that is not confined to the core material of an electromagnet Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The circular magnetic field that surrounds a conductor carrying a current The force of attraction between the poles of a permanent and temporary magnetic field None of these The amount of magnetic flux that is not confined to the core material of an electromagnet Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The circular magnetic field that surrounds a conductor carrying a current The force of attraction between the poles of a permanent and temporary magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The saturation point is approximately the same as infinity upper end of the load line lower end of the load line cutoff point None of these infinity upper end of the load line lower end of the load line cutoff point None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current is converted to dc voltage ac current leads the voltage by 90 degree None of these ac current and voltage are exactly in phase ac current lags the voltage by 90 degree ac current is converted to dc voltage ac current leads the voltage by 90 degree None of these ac current and voltage are exactly in phase ac current lags the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that has been freed from its parent atom None of these An electron that has twice the amount of charge of a normal electron An electron that has no electrical charge An electron that costs nothing An electron that has been freed from its parent atom None of these An electron that has twice the amount of charge of a normal electron An electron that has no electrical charge An electron that costs nothing ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: None of these has no effect on the inductive reactance cuts the inductive reactance in half doubles the amount of inductive reactance multiplies the inductive reactance by 6.28 None of these has no effect on the inductive reactance cuts the inductive reactance in half doubles the amount of inductive reactance multiplies the inductive reactance by 6.28 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The barrier potential accross each depletion layer is 0.8 V 0.7 V 20 V None of these 0.8 V 0.7 V 20 V None of these ANSWER DOWNLOAD EXAMIANS APP