Electronic Principles Holes act like: Crystals None of these Positive charges Negative charges Atoms Crystals None of these Positive charges Negative charges Atoms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true? None of these Power dissipation of a pure capacitor decreases with operating frequency All of these There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency Power dissipation of a pure capacitor increases with operating frequency None of these Power dissipation of a pure capacitor decreases with operating frequency All of these There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency Power dissipation of a pure capacitor increases with operating frequency 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? 3.75 mA None of these 0.05 mA 3.2 mA 13 mA 3.75 mA None of these 0.05 mA 3.2 mA 13 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 100 A 1000 A None of these 0.1 A 0.41666666666667 100 A 1000 A None of these 0.1 A 0.41666666666667 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of Kirchhoffs current law? The algebraic sum of currents entering and leaving a point is equal to zero The algebraic sum of currents in a loop is equal to zero The total current in a parallel circuit is less than the value of the smallest current None of these The current through a resistance is proportional to the value of resistance and the IR drop across it The algebraic sum of currents entering and leaving a point is equal to zero The algebraic sum of currents in a loop is equal to zero The total current in a parallel circuit is less than the value of the smallest current None of these The current through a resistance is proportional to the value of resistance and the IR drop across it ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? The voltage remains at one polarity and at a steady level None of these The voltage causes current to flow in two directions at the same time The voltage reverses polarity periodically The voltage remains at one polarity but changes value periodically The voltage remains at one polarity and at a steady level None of these The voltage causes current to flow in two directions at the same time The voltage reverses polarity periodically The voltage remains at one polarity but changes value periodically ANSWER DOWNLOAD EXAMIANS APP
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