Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 60 V 36 V 0 V None of these 40 V 60 V 36 V 0 V None of these 40 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The period of a waveform is: the number of cycles completed in one second the time required to complete one full cycle None of these the time required for the voltage to rise from 10% to 90% of the peak amplitude equal to 0.707 times the peak amplitude the number of cycles completed in one second the time required to complete one full cycle None of these the time required for the voltage to rise from 10% to 90% of the peak amplitude equal to 0.707 times the peak amplitude ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? 550 Ohm 410 Ohm 310 Ohm 400 Ohm None of these 550 Ohm 410 Ohm 310 Ohm 400 Ohm 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? 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 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 When the graph of current versus voltage is a straight line, the device is referred to as Linear Nonlinear Active Bipolar None of these Linear Nonlinear Active Bipolar None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: increasing the frequency of the applied voltage decreasing the area of the plates None of these increasing the area of the plates increasing the voltage applied to the plates increasing the frequency of the applied voltage decreasing the area of the plates None of these increasing the area of the plates increasing the voltage applied to the plates ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS