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? None of these 208 V 707 V 651 V 700 V None of these 208 V 707 V 651 V 700 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles As the temperature increases, the current gain increases None of these contant decreases can be any of the above increases None of these contant decreases can be any of the above ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts light energy to electrical energy is called a: solar cell None of these photodiode thermocouple photo transistor solar cell None of these photodiode thermocouple photo transistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: round off both the voltage and current waveforms None of these peak both the voltage and current waveforms peak the current and round off the voltage waveforms peak the voltage and round off the current waveforms round off both the voltage and current waveforms None of these peak both the voltage and current waveforms peak the current and round off the voltage waveforms peak the voltage and round off the current waveforms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: equal to the source voltage divided by total current less than the value of the smallest capacitor equal to the sum of the individual capacitance values None of these equal to the sun of the individual capacitive-reactance values equal to the source voltage divided by total current less than the value of the smallest capacitor equal to the sum of the individual capacitance values None of these equal to the sun of the individual capacitive-reactance values ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a: purely resistive circuit parallel RC circuit parallel RL circuit parallel RLC circuit operated above its resonant frequency None of these purely resistive circuit parallel RC circuit parallel RL circuit parallel RLC circuit operated above its resonant frequency None of these ANSWER DOWNLOAD EXAMIANS APP