Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 600 V 24 V None of these 4.73 0.4 V 600 V 24 V None of these 4.73 0.4 V 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? 410 Ohm 550 Ohm None of these 310 Ohm 400 Ohm 410 Ohm 550 Ohm None of these 310 Ohm 400 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Electron current is flowing through a conductor in a direction you might describe as straight into this page. What is the direction of the resulting magnetic field? Into this page None of these Counterclockwise Clockwise Out of this page Into this page None of these Counterclockwise Clockwise Out of this page ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values? 0.041666666666667 0.93 W 9.3 W None of these 0.93 V 0.041666666666667 0.93 W 9.3 W None of these 0.93 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: the time required to complete one full cycle the number of cycles completed in one second equal to 1.41 times the peak amplitude equal to 0.707 times the peak amplitude None of these the time required to complete one full cycle the number of cycles completed in one second equal to 1.41 times the peak amplitude equal to 0.707 times the peak amplitude None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: a temporary magnet None of these a natural magnet a paramagnetic alloy an artificial magnet a temporary magnet None of these a natural magnet a paramagnetic alloy an artificial magnet ANSWER DOWNLOAD EXAMIANS APP
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