Electronic Principles A device that converts mechanical into electrical energy is? generator thermocouple None of these chemical cell solar cell generator thermocouple None of these chemical cell solar cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: equal to the sun of the individual capacitive-reactance values equal to the source voltage divided by total current less than the value of the smallest capacitor equal to the sum of the individual capacitance values None of these equal to the sun of the individual capacitive-reactance values equal to the source voltage divided by total current less than the value of the smallest capacitor equal to the sum of the individual capacitance values None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? Protons only Electrons, protons, and ions Electrons, ions, and neutrons Electrons, protons, and neutrons None of these Protons only Electrons, protons, and ions Electrons, ions, and neutrons Electrons, protons, and neutrons None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? The current in an ac circuit changes direction periodically None of these The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit changes direction periodically None of these The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in one direction, but changes value periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the current gain is 200 and the collector current is 100 mA, the base current is 0.5 mA None of these 0.083333333333333 200 A 2 mA 0.5 mA None of these 0.083333333333333 200 A 2 mA ANSWER DOWNLOAD EXAMIANS APP
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