Electronic Principles What is the barrier potential of a silicon diode at room temperature? 2 m V per degree Celsius 1 V 0.7V None of these 0.3V 2 m V per degree Celsius 1 V 0.7V None of these 0.3V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: a temporary magnet a natural magnet an artificial magnet a paramagnetic alloy None of these a temporary magnet a natural magnet an artificial magnet a paramagnetic alloy None of these 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 reverses polarity periodically The voltage remains at one polarity and at a steady level The voltage causes current to flow in two directions at the same time None of these The voltage remains at one polarity but changes value periodically The voltage reverses polarity periodically The voltage remains at one polarity and at a steady level The voltage causes current to flow in two directions at the same time None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 707 V 208 V None of these 651 V 700 V 707 V 208 V None of these 651 V 700 V 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? P = IE None of these P = E2/R I = P/E P = I2R P = IE None of these P = E2/R I = P/E P = I2R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The saturation point is approximately the same as upper end of the load line cutoff point infinity None of these lower end of the load line upper end of the load line cutoff point infinity None of these lower end of the load line ANSWER DOWNLOAD EXAMIANS APP