Electronic Principles The knee voltage of a diode is approximately equal to the None of these Forward voltage Breakdown voltage Barrier potential Applied voltage None of these Forward voltage Breakdown voltage Barrier potential Applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: Negative charges Positive charges Atoms Crystals None of these Negative charges Positive charges Atoms Crystals None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the maximum positive or negative value the amplitude at 1.41 times the maximum value None of these the amplitude at 90% of the maximum value the amplitude at 70.7% of the maximum value the maximum positive or negative value the amplitude at 1.41 times the maximum value None of these the amplitude at 90% of the maximum value the amplitude at 70.7% of the maximum value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Doping Free electrons Thermal energy None of these Valence electrons Doping Free electrons Thermal energy None of these Valence electrons 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? 400 Ohm 310 Ohm 410 Ohm None of these 550 Ohm 400 Ohm 310 Ohm 410 Ohm None of these 550 Ohm ANSWER DOWNLOAD EXAMIANS APP
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 707 V 700 V 208 V 651 V None of these 707 V 700 V 208 V 651 V ANSWER DOWNLOAD EXAMIANS APP
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