Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? The voltage reverses polarity periodically None of these The voltage causes current to flow in two directions at the same time The voltage remains at one polarity but changes value periodically The voltage remains at one polarity and at a steady level The voltage reverses polarity periodically None of these The voltage causes current to flow in two directions at the same time The voltage remains at one polarity but changes value periodically The voltage remains at one polarity and at a steady level ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At cut off, the Q point is at middle of the load line lower end of the load line infinity None of these upper end of the load line middle of the load line lower end of the load line infinity None of these upper end of the load line ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The knee voltage of a diode is approximately equal to the Forward voltage Barrier potential None of these Breakdown voltage Applied voltage Forward voltage Barrier potential None of these Breakdown voltage Applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles To get the Thevenin voltage, you have to Open the load resister None of these Open the voltage source Short the load resistor Short the voltage source Open the load resister None of these Open the voltage source Short the load resistor Short the voltage source ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.3 A 0.2 A 0.4 A None of these 0.6 A 0.3 A 0.2 A 0.4 A None of these 0.6 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which is the most widely used semiconductor? Copper Germanium All of these None of these Silicon Copper Germanium All of these None of these Silicon ANSWER DOWNLOAD EXAMIANS APP
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