Electronic Principles A device that converts mechanical into electrical energy is? generator thermocouple None of these solar cell chemical cell generator thermocouple None of these solar cell chemical cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: generators lightning None of these oscillators batteries generators lightning None of these oscillators batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductive reactance of a parallel inductor circuit is: less than the inductance value of the smallest inductor None of these equal to the sum of the individual inductance values equal to the sum of the individual inductive-reactance values equal to the source voltage divided by total current less than the inductance value of the smallest inductor None of these equal to the sum of the individual inductance values equal to the sum of the individual inductive-reactance values equal to the source voltage divided by total current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases best describes residual magnetism? 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 circular magnetic field that surrounds a conductor carrying a current The amount of magnetic flux that is not confined to the core material of an electromagnet None of these 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 circular magnetic field that surrounds a conductor carrying a current The amount of magnetic flux that is not confined to the core material of an electromagnet None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The basic unit of measurement for resistance is the: watt ampere None of these volt ohm watt ampere None of these volt ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: None of these 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 the core is permitted to move freely within the coil frequent changes in the direction of current through the coil causes heating effects in the core material None of these 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 the core is permitted to move freely within the coil frequent changes in the direction of current through the coil causes heating effects in the core material ANSWER DOWNLOAD EXAMIANS APP
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