Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? None of these 64 W 3 W 6 W 122 W None of these 64 W 3 W 6 W 122 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 24 V 4.73 0.4 V 600 V None of these 24 V 4.73 0.4 V 600 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The merging of a free electron and a hole is called Recombination Thermal energy None of these Lifetime Covalent bonding Recombination Thermal energy None of these Lifetime Covalent bonding 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 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Electron current is flowing through a conductor in a direction you might describe as straight into this page. What is the direction of the resulting magnetic field? Clockwise Out of this page Counterclockwise Into this page None of these Clockwise Out of this page Counterclockwise Into this page None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? P = E2/R P = PR I = P/E None of these R = E2/P P = E2/R P = PR I = P/E None of these R = E2/P ANSWER DOWNLOAD EXAMIANS APP
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