How Relays Work - Basic working principle electronics engineering electrician amp

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I'm now smarter after watching this. Soon, my knowledge of all things will be complete and I shall rule the galaxy!!!

Best explanation on relays ever I heard, Thanks I want a teacher like you.

Im a new electrician from the philippines and i can say paul was the best teacher i have never met, thank you sir for all your effort to educate us all your teachings will not go to waste.👍👍👍👏👏👏

Thanks for relaying all of this great information :)

When I bought my last motorcycle, the previous owner had installed additional lights with a manual switch. I wanted the lights to be controlled by the key switch. I talked to a mechanic who told me it was impossible because the key switch couldn't handle that much current. I told them I wanted them to use a relay, but they insisted that the current was too high. So I just did it myself and it worked flawlessly. It was very clear that they had no idea what a relay was. Doing it myself saved me several hundred dollars and took me about 1/2 hour, so I'm actually glad they were so stupid.

This is how internet and youtube should be used. Thanks

I've been watching some of your videos, I really like the way you explain things and the animations make it the more understandable! Thanks a lot, keep them going!

this channel just keeps getting better and better! much thanks for this fantastically clear explanation of relays, the animations just amke it so much easier to understand. that being said, it seems that the back-EMF discussion was just kinda tacked-on to the end though, and not fully-integrated with the relay part...lol, since literally everything i know about these subjects comes from here, i guess electromagnetic relays just have the diodes built-in, and since there are no electromagnets involved with solid state relays, they wouldn't have them?

Great video. Very clear and helpful. In the AV industry we typically see relays in control systems, such as to raise or lower a motorized projection screen.

I know a ton electrical apprentices would love a video on conduit bending. Formulas for finding the right bend degrees and how to bend them. Your guys visuals are the best!

I'm current working on a freeze dryer with relay issues and this video had been so helpful understanding what's going on inside these things! I'm also realizing how powerful of a tool relays could be for some basic controls. Thank you for making this video!

Thank you so much for these extremely thorough crash courses! These are just amazing.

This video really helped me to understand the inner workings of a relay. I have used them, know roughly when & how to install them, but have never really looked into how & why they do exactly what they do. Great vid! Thank you!

thank you Paul, for making me smarter in the sense of electrical engineering.

This is the best explanation of how relays work and the differences between normally open/closed and single/double throw that I have seen. You have shown, graphically, how each behaves when energized. Thank you!

Very helpful, as I am currently using a normally-closed relay for a soil-moisture sensor circuit.

Finally I understand the basis how a relay works! I was struggling for a long time to understand the principle how does it works in reality. Thank you!

Thanks for explaining. This is so far the best explanation I've ever seen with examples.

Unbelievably super clear teaching! Excellent sir! Maximum respect to you & thank you ever so much!