Electronic Principles Positive ions are atoms that have Lost a proton None of these Lost an electron Gained a proton Gained an electron Lost a proton None of these Lost an electron Gained a proton Gained an electron ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: a paramagnetic alloy a temporary magnet a natural magnet an artificial magnet None of these a paramagnetic alloy a temporary magnet a natural magnet an artificial magnet None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: always decreases as the applied frequency increases None of these is minimum at the resonant frequency is maximum at the resonant frequency always increases as the applied frequency increases always decreases as the applied frequency increases None of these is minimum at the resonant frequency is maximum at the resonant frequency always increases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 13 mA None of these 3.75 mA 3.2 mA 0.05 mA 13 mA None of these 3.75 mA 3.2 mA 0.05 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature 0oC Increases Stays the same Decreases None of these 0oC Increases Stays the same Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of Kirchhoffs current law? The algebraic sum of currents in a loop is equal to zero None of these The algebraic sum of currents entering and leaving a point is equal to zero The total current in a parallel circuit is less than the value of the smallest current The current through a resistance is proportional to the value of resistance and the IR drop across it The algebraic sum of currents in a loop is equal to zero None of these The algebraic sum of currents entering and leaving a point is equal to zero The total current in a parallel circuit is less than the value of the smallest current The current through a resistance is proportional to the value of resistance and the IR drop across it ANSWER DOWNLOAD EXAMIANS APP
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