Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 100 W 1000 W 200 W None of these 20 W 100 W 1000 W 200 W None of these 20 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a transistor operates at the middle of the load line, an increase in the base resistance will move the Q point up down None of these nowhere off the load line up down None of these nowhere off the load line ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current? None of these P = I2R P = IE P = E2/R I = P/E None of these P = I2R P = IE P = E2/R I = P/E 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 The algebraic sum of currents entering and leaving a point is equal to zero None of these 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 The algebraic sum of currents entering and leaving a point is equal to zero None of these 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
Electronic Principles Current and voltage are said to be in phase when: they have the same amplitude and frequency None of these All of these their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency None of these All of these their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The north pole of a magnet is the one: that has its molecules arranged in a random pattern that would be attracted to the earth's south magnetic pole that would be repelled by the south pole of another magnet that would be attracted to the earth's north magnetic pole None of these that has its molecules arranged in a random pattern that would be attracted to the earth's south magnetic pole that would be repelled by the south pole of another magnet that would be attracted to the earth's north magnetic pole None of these ANSWER DOWNLOAD EXAMIANS APP