Electronic Principles A device that converts thermal energy to electrical energy is called a: chemical cell piezoelectric devices thermocouple solar cell None of these chemical cell piezoelectric devices thermocouple solar cell None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: None of these is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always increases as the applied frequency increases is maximum at the resonant frequency always decreases as the applied frequency increases None of these is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always increases as the applied frequency increases is maximum at the resonant frequency always decreases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 0.20833333333333 50 A None of these 20 A 0.20833333333333 50 A None of these 20 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a parallel RLC circuit? All of these The voltage waveform for each component always has the same amplitude and phase as the applied voltage The current waveform for each component always has the same amplitude and phase as the applied current The sum of the current is always less than the applied current None of these All of these The voltage waveform for each component always has the same amplitude and phase as the applied voltage The current waveform for each component always has the same amplitude and phase as the applied current The sum of the current is always less than the applied current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The barrier potential accross each depletion layer is 20 V None of these 0.7 V 0.8 V 20 V None of these 0.7 V 0.8 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? The voltage reverses polarity periodically The voltage remains at one polarity but changes value periodically The voltage causes current to flow in two directions at the same time The voltage remains at one polarity and at a steady level None of these The voltage reverses polarity periodically The voltage remains at one polarity but changes value periodically The voltage causes current to flow in two directions at the same time The voltage remains at one polarity and at a steady level None of these ANSWER DOWNLOAD EXAMIANS APP