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4 votes
3 answers
849 views

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 ...
user31058's user avatar
  • 271
1 vote
1 answer
219 views

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 + ...
programmingEnthusiast's user avatar
5 votes
2 answers
227 views

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 ...
The Pointer's user avatar
  • 1,281
1 vote
1 answer
383 views

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, ...
khtan's user avatar
  • 25
2 votes
2 answers
1k views

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 ...
Everyone's user avatar
  • 3,011