Transformers are Awesome! | Doc Physics

Step up, step down, step all around town. But who's buying? This video explains how transformers work.
This video introduces some ideas that are pretty tricky. For more detail, check out the videos on Power Distribution. Thanks.

[@KabooM1067]

That outro... omg XD. I wish a lot more teachers were this fun, it would be harder to NOT pay attention to them.

[@garthmartinsen9612]

Uh... but power is also equal to V*V/R. (Ohm’s Law). There is a good reason for having high voltage for long distance power distribution but I am not sure you have pointed out the correct reason. I did however, really enjoy your presentation.

[@aravindansundaram4010]

But you only use V2/R when there is uniform voltage throughout... I reckon the voltage between two transmitters are the same but the voltage between the power source and first transmitter is less than the voltage between power source and second transmitter.. So you use V2/R when voltage is same throughout as in a parallel connection in domestic circuits..

[@lordfarqward8227]

You're one of the few youtubers that don't make me fall asleep. Thank you! I learnt a lot:)

[@8Steady]

I've watched many transformer vids, but this is the first one I found that answers that question... "who's buying?". Thank you (8 years later).

[@souhardyahalder3903]

even though i am thousands miles away,my high school days were beautified by this person.

[@Nicolaf95]

Wow, this is the first time i actually laugh at a science teaching video, good job my friend, i subscribed!

[@DrifterD]

You taught me about transformers so much better in less than 20 minutes than my lecturer who took 2 hours to teach this, without me understanding anything. *Thank youuuu*

[@MachinistDom]

Normally I fall asleep listening to recorded lectures from my University. I think they should get Doc Schuster to do all of their lecture recordings.

[@logchain70]

IVE NEVER BEEN SO JACKED UP FROM WATCHING A KZbin VIDEO ABOUT ELECTRICAL CRAP, THIS GUY SHOULD BE A PEP TALKER FOR MMA FIGHTERS WOOOOOOOOOOOOO

[@munumaconrat5886]

Thanks👨🏾‍⚖️ Mr Doc Schuster, I'm learning a lot from your KZbin Channel than I do in the classroom🙏🏾.

[@Ketchup__now]

Seriously, of all the videos that I've watched from you, this one was the funniest. Thanks always!!

[@user-rx5eg3sf6z]

I like the way you explain it , it shows how much you are fascinated by those lovely transformers

[@anthonyvolkman2338]

Your mother and father live in a small house with one door and no windows. I love it!

[@MikelHensley]

I'm taking courses in electronics and sought out some KZbin videos to break the monotony of reading. I greatly appreciate how you explain how Faraday's Law works with the transformers ... that was in my text but trying to read it just makes my head hurt. Your way of explaining helps a lot. Thanks!

[@thosehumans9329]

You explain things in a way that excites and makes me want to pay attention. Thank you

[@ernestwerbel6235]

Thank you for explaining this difficult subject making it easier to understand. Still learning!

[@ECOMMUSK]

i am a senior electrical engineer with 11 units (3 classes) left to complete and this has been more educational than anything any professor has ever taught me

[@toddmolloy311]

Because we're taught to maintain the system we currently have not improve upon it..

[@RoyalAnarchist]

You're pretty entertaining my dude. I appreciate these videos; they really help me review the concepts.

[@davidstone2405]

You are the best. We need more people like you. Thank you so much.

[@ingenfestbrems]

Dude you’re taking this to personal 😁

[@stolendata]

I love how all the maths, theory etc. lead up to simple yet very stern and decisive declaration that the power grid was never meant to heat up the countryside.

[@sonilzaki]

The way you ended it was totally AWESOME!!

[@dannydsc7]

Really appreciate the enthusiasm. You're awesome.

[@salonisingla1665]

Thank you so much for clearing up the big voltag-small current mess doc!!

[@ntonyproduction]

Even though english is only my second language, I was able to understand clearly what you said in this video and it really helped me out. Thank you for these informations!

[@aliciaflores5052]

Wow, a lot of enthusiasm, it made learning about transformers more fun and interesting. It was a little bit fast paced for me, but overall it was a great video!

[@BrassicGamer]

Dude that was freakin' awesome. I was like "I did not come here for this!!!" but in a "I came for a bike and left with a Porsche" kinda way.

[@mrorganic13]

Me sitting on my front porch at 5 am to the brisk morning breeze answering the last question. “YES!” Boy was I disappointed .

[@aefieefnvhas]

Absolutely love your videos, Doc! Legit your number 1 fan sitting right here.

[@brianjlayman]

Best voltage mic 🎤 drop I’ve ever seen .

[@DocSchuster]

Excellent question, dude! It's critical to note that when you use that equation for power lost in the line, V is the voltage DROP across the line. This is VERY often misunderstood. When you talk about a high-V line, you are referring to large V between the line and ground, but saying nothing about the voltage between one end and the other (hopefully the latter is small). You find V across the line by V = IR, so it is more direct to use P = I*I/R to find power loss on the line.

[@ayushimahajan6931]

The most fun class ever! I could never get these transformer thingies and here I am.. almost in love with them

[@jbintali9490]

Great video! Very well explained. Thank you.

[@xAGirlWithNoName]

I wish my teacher was like you, I had so much fun watching this video... thank you so much!

[@Bluecolorfilm]

Beautiful, thanks!

[@jesussaquin6266]

Beautifully explained

[@leoclarkin5944]

Great refresher explanation, thx

[@thg_2728]

This video is amazing, I think I'm gonna watch more of these coz it answers basic questions and puts it into context. AND you make it very interesting lol

[@sonnykay3594]

Doc, one thing i have to say....... YOU ARE AWESOME ,,,,,Thank you again.

[@themandude20]

I love your electricity math and circuit videos, they are the best on the net. One thing to point out is, the power to feed homes in north america is 240v not 120v as most people think. It's a 3 wire system giving the option of 240v and 120v service to homes.

[@DocSchuster]

That's a super idea! I'm not sure where it would fit, but I do have so much more to say about electrical distribution. Thanks for the note, and thanks for watching.

[@abdullahibrahim1767]

very good, it is a superb performance.. thanks

[@saanikagupta1508]

Thank you Doc Schuster so much!!! Your way of teaching is really good!! It helped me a lot. pls make a video for rectifier, transistor and amplifier. :)

[@ididnothingmonkey]

Thank you! Very informative video!

[@DocSchuster]

Sometimes I think about how tremendously that would change our lives. Imagine!!!

[@harmeetbindra6978]

This video was so helpful. Thank you

[@lullabysanton2241]

big up! simple and clear!

[@MatheusSilva-dragon]

Wow! Interesting! Thanks, doc!

[@THE______TRUTH]

Man that was a awesome explanation your ability to keep my attention is unbelievable. Thumbs up!

[@AxzenStarcraft]

Wow, this is amazingly helpful. Serious props, thank you so much.

[@benwilson224]

Omg 2:55 the transformer was so heavy he went autotune

[@chadgutierrez_music]

Thanks for making it simpler! Also, I love the distribution line drawings hahaha

[@madrid1036]

waw! a very profficianal way of educating. thank you sir

[@silver44fang]

This was very fun to watch.

[@Andrei-ds8qv]

Very very nice! thanks!

[@adbeellopez4792]

This was awesome! Thank you

[@sienchokhs]

Way to go! The 18 minutes was over so much sooner than I expected.

[@ssp4412]

Awesome video. Thank you so much!! ^ _ ^

[@Daca241]

Damn,u explained it properly,always had trouble understanding that thing,ty man,u are amazing.

[@shurooq9299]

Dude you're Awesome ! Thank you for the great explanation ..

[@apathy11303]

Transformers arent awesome!!! You are awesome because you have taught me what my professor couldn't. Thanks so much!!!!

[@kritikk2977]

Thnk for this helpful video, u r a great explanator

[@mukeshpandya4171]

Wait, i just took the bait and the video ended with " No!" meh! Lovely video, Kids are so lucky to enjoy such educational videos FREE of cost. Felt I used 18 minutes of my time on youtube watching something worthwhile of what i learnt in my past life... enjoyed it!

[@ACKtube-of3qf]

Thank you so much this really helped it clarified a lot and at the same time I laughed a bunch. What a nice way to learn thanks again

[@TRANNGUYEN-nx5mx]

Awesome. Thanks

[@wilmeriscool]

Thank you for your lessons here in the navy we're studying circuits and these videos are way more helpful than the classes.

[@DocSchuster]

I am honored to be able to help the good people who are risking their lives for my safety and security. THANK YOU!

[@ltherix225]

Very interesting lesson.

[@the1nonlyani]

ya, thank u, iddint look that far ahead - watched a bit of ur video on the night before the exam. it helped thank u

[@keithengineer4876]

Watching this video at my desk at Ameren. Didn't realize you were local. Wonderful videos. Its my last day here so you can tell my boss. I don't care.

[@DocSchuster]

+Keith Engineer HA!

[@ghacrux]

I m turkish highschool student we learned about transformers in school but i have never seen transformer before ... that was fun and you are the funniest teacher EVER 😂 All i learn in school is N1/N2=V1/V2☹️

[@Kravch96]

Thank you for your videos, Doc!

[@DocSchuster]

Boy, I'm sure not an expert here, but I'll shoot from the hip. Maintaining safety raises costs while lower current lowers costs. You've also got to have step-up and step-down transformers at each end. So there's a sweet spot that depends on length of run and power needed. Hiring an engineer to find that sweet spot is probably a good idea. Maybe someone who knows more firsthand about power distribution will comment...

[@lulasplayzin]

Thx man, I was really having trouble deducing the equation, and now it's solved! :D

[@filip2365]

Legendary...thank you :)

[@Bigbossperson]

Thank You! The best i've ever seen this explained

[@DocSchuster]

I'm happy to hear that. Thank you!

[@hakimnoori627]

i come from Afghanistan. thank you very much. I undrestod more than i did in the class.

[@DocSchuster]

Oh, I understand your confusion. If I just hook up a battery to the primary coil of a transformer, that coil will experience a change in flux, right? The only problem is that the flux will approach a constant (saturated) value based on the steady-state current from the battery. That's why I mentioned a battery.

[@arch_engineer8773]

Residential voltage is usually 120/240V. 120V line to neutral and 240V line to line, but I digress, you did an excellent job of explaining, and you kept it interesting.

[@garyweber6413]

Your awesome man.Please make a video about why you see different core shapes and configurations.

[@DocSchuster]

A nice sound bite, but it masks some important physics: Sure, current is what harms tissue, but a higher voltage power line (which is not current-limited) will ALWAYS cause a higher current through your fleshy body (that has a fixed resistance) 'cuz V = IR. You need to be WAY more careful around high-voltage lines than low-V lines. It's the current through YOU that matters, and that's determined by YOUR resistance and the voltage across you (from the line to ground, typically). DANGER!

[@zacharybowers2428]

Dude that was amazing

[@roari5740]

Funny and useful... Great vids man

[@ajcrowe]

Hey David! This came up on auto play after watching another video about transformers in a class I'm taking. And I said: "Hey I went to grade school with that guy!" Awesome indeed!

[@DocSchuster]

Ha! Autoplay is the refuge of the scoundrel youtube creator, you see. Although, any class with transformers in it is a great class.

[@delonthompson9631]

Great video

[@remllof]

this guy is amazing, i want to like this video about 100 more times, wow

[@JohnSmith-cy8hq]

08:02 I coughed up my chocolate milk.

[@theengineeringhobbyist7109]

Your enthusiasm is awesome! Some critical feedback is that you don't go through an explanation of where the initial equations come from just some algebra on equations you just randomly pulled out of seemingly nowhere.

[@rolandmousaa3110]

Doc.. like the way you teach electricity.. GREAT! (inventor)

[@emmang7593]

literally saved my alevel phys exam which is coming up next monday lol... also surprised that you rly drew 40 turns on the secondary coil :)

[@fatematujjohora1529]

It's really very helpful....

[@dsayan]

Hi there. Great vid and info. I'm currently trying to build a transformer and was hoping you could help me. Specs show a tapped primary (0 - 10 - 210 - 230V) and six secondary windings (0 - 250V at 120mA / 0 - 35V at 20mA / a tapped low voltage winding 0 - 4 - 5 - 6.3 at 3A - 12.6V at 1A/ and three 0 - 6V at 50mA). No split bobbins just grounded copper tape between primary and secondary. I'm trying to figure out which winding order would suit this transformer best. Would you start with the primary, isolate and then just continue winding full layers from the lowest V winding to the highest? (for exemple the 0 - 6s first followed by the tapped winding, the 0 - 35 and finally the 0 - 250? Or does this type of setup requires more care in its order? I also trying to guess how the A decreases in that last tap 12.6V. Any idea? Cheers

[@wajihazahra2899]

Really helped, have my physics igcse exam this week

[@TheBlondie81]

Funny and educational! *thumbs up*

[@jamiehardie3609]

man I find u fun it I had teachers like u wen I was at school I may have be top of the class

[@hydorah]

Would be good if you could explain more about what delta phi is and how it is calculated and such like. Would be useful for someone like me who knows nothing about the mathematical side of understanding transformers!

[@ldiazmdiaz]

One thing we also had to take into account was the transformer winding gauges (AWG) and resistance of each windings. We design these power supply (AC/DC) with an engineer and I was the Lab Technician.

[@DaFratRat]

I love this.

[@eloisejeao3522]

i get it with full of fun!!! thx doc

[@NNN-kkky]

I see the iron ring on your hand. Can't wait to get mine. though you should wear in your pinky finger

[@abdelrahmanwagih873]

Thanks that really helped alot ! Although why do we always use voltages to express the ammount of current we are transferring ? Why do we always say 120 volts instead of saying their equivalent in Ampere as current intensity .. is there a reason for that ?

[@WillemZenhorst]

Very cool story, love the ending XD So a question: I have some regular, 1:1, 4 pin transformer, but need some with a 5th pin for the ground-reference point.. Could I 'add' the 5th, centre tap, by just adding two equal resistors between positive and negative pin? I mean, at any given moment it's basically at V+ and V-, so by adding a Voltage Divider like that, could you 'hack' the ground pin into it? (It's for a Passive Ring Modulator, DIY synths and stuff)

[@TECHSPORTOFFICIAL]

THANKS NICE ONE