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 700 V None of these 651 V 707 V 208 V 700 V None of these 651 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point off the load line None of these down up nowhere off the load line None of these down up nowhere ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How many protons does the nucleus of a silicon atom contain? 29 4 None of these 14 48 29 4 None of these 14 48 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: equal to 0.707 times the peak amplitude the number of cycles completed in one second the time required to complete one full cycle equal to 1.41 times the peak amplitude None of these equal to 0.707 times the peak amplitude the number of cycles completed in one second the time required to complete one full cycle equal to 1.41 times the peak amplitude None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? 20 km or less 200 k Ohm or less 20 k Ohm or more None of these 200 k Ohm or more 20 km or less 200 k Ohm or less 20 k Ohm or more None of these 200 k Ohm or more ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A farad is defined as the amount of capacitance necessary for: changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing dissipating 1 W of power None of these storing 1 V for 1 second causing an ac phase shift greater than 90 degree changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing dissipating 1 W of power None of these storing 1 V for 1 second causing an ac phase shift greater than 90 degree ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS