All Questions
Tagged with semiconductors rectifier
5
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4
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Capacitor as a ripple filter in the rectifier circuit - difference in charging and discharging time
Most of the times attached picture is used to depict the use of Capacitor as filter in the rectifier circuit. I guess, i understand the broad concept but I am struggling with the fact that charging ...
1
vote
1
answer
219
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Formula for efficiency of half wave rectifier
I came across this formula for rectification efficiency of half wave rectifier:
η= (40.6 *resistance of load resistor )/ (resistance of load resistor+ resistance of secondary of transformer + ...
5
votes
2
answers
227
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Current-voltage characteristics of silicon carbide luminescence
I am currently studying the textbook Light-Emitting Diodes (3rd Edition) by E. Fred Schubert. Chapter 1.2 Henry Round's demonstration of the first LED says the following:
The mechanism of light ...
1
vote
1
answer
383
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What happened to the second half cycle of my half wave rectifier?
When I'm doing a simple half-wave rectifier with the set-up as shown above (Note: Diode D2 is not connected) and connect terminal 5 and 4 with the positive and negative terminals of the oscilloscope, ...
2
votes
2
answers
1k
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What are the ratings of vintage Selenium Rectifier B20/16-2,4?
Sort-of a follow-up to How to ground a vintage device that was powered without a ground? in that the device is the same.
I finally took the leap and opened up the old charger (depicted in the linked ...