Ohms Law Explained - The basics circuit theory

[@EngineeringMindset]

⚠️ *Found this video super useful?* Buy Paul a coffee to say thanks: ☕ PayPal: www.paypal.me/TheEngineerinMindset

[@ashieshadhikari2399]

Sir ,can you make a video on why does current decrease on increase in voltage in transformer bcz I'm confused that since voltage is pressure to flow electron than more voltage means more pressure that must result much electron to flow

[@syedabdullah8862]

In India we r not using PayPal, do u use Google pay !? If yes post that link too.

[@hamzaazer2746]

Can you make a translation of these useful scientific videos into Arabic because my English is not good please.

[@Fookinard]

Hello I have made a donation of £10 to say thank you for the quality info. Could I make a request if possible please could you make a video on Generators and everything I need to know about them as I work in a data centre. Thank you

[@EngineeringMindset]

Thank you for your support, Tomaso. Much appreciated. It's on the list :D

[@tenentenegrao]

I became an electrical engineer 40 years ago. If you wanted to learn the things covered in this series you had to go to college... or spend a boat-load of time at the library. Those who grew up on KZbin have no idea how fortunate they are that stuff like this is at their fingertips. Your videos are tremendous, as well as an outstanding foundation for anyone going into the engineering field.

[@EngineeringMindset]

Thank you, glad you enjoyed. I wish I had these videos too when I was studying, it's one of the drivers to keep us going.

[@burgumil0742]

Ok boomer

[@sowrong1611]

Just shows how bad boomers have been doing their jobs all these years

[@randon19yearold]

KZbin is awesome, as a gen z I do appreciate it. Years of knowledge and experience at your fingertips and the only person you have to ask is a computer. There's no need to spend years of your life and hard earned money studying something you might become uninterested in, youtube lets you learn an infinite amount of things for free and you wont be under the pressure of a money investment. I think it makes society better even, as easy access to learning gives people the freedom to educate themselves despite limitations they may have. For example, limited money, different learning style, different optimal learning conditions, and the limitation that applies to everyone, time. I choose to spend my time on earth learning. If learning and growth rise above hate and ignorance, we will live in a more beautiful world.

[@MrDoneboy]

Amen, tenentenegrao!

[@vedhmohan8131]

problem 1 =0.5 A(120/240) problem 2 =229.92(240x0.958)

[@didium7721]

I know I’m late but ur a real one for this

[@renegroulx7029]

I = 0.5 V = 229.92

[@rickyyyyy....7034]

​@@renegroulx7029 wtt the i got. V=31992

[@rickyyyyy....7034]

0.958 is simply =958 nd 958x240 is = 31992V Wtf holy crab 😔

[@SautAl-Quran]

hahahah@@rickyyyyy....7034

[@Amor_fati.Memento_Mori]

If only these videos existed when I was in school.

[@EngineeringMindset]

Never too late to learn

[@georgewashington7863]

@@EngineeringMindset Exactly

[@burgumil0742]

Ok boomer

[@amalldekan1432]

@@burgumil0742 damm bro

[@learn2beffective3]

@@EngineeringMindset really great😻

[@k1kn890]

I speak 3 languages, searched it in french and korean, understood nothing, went to school and learned for hours, still nothing really gets in mind, but your 10min vid is so well explained. I regret not knowing you sooner

[@MiG-25IsGOAT]

you don't need to flex that you know 3 languages

[@VoltageNostalgia]

​@@MiG-25IsGOATYou think like a high schooler

[@Ran.Games1]

First problem is 0.5 a Second problem is 229.92 v

[@anthonynguyen569]

thank you

[@Ran.Games1]

@@anthonynguyen569 no problem dude

[@Ran.Games1]

@@anthonynguyen569 keep up the work

[@ArthurTugwell]

Dude I absolutely love your videos, so clearly explained & well edited!

[@EngineeringMindset]

Thank you, glad you enjoy

[@americanspirit8932]

I agree 100 percent fantastic videos and explanation

[@randygonzalez6250]

@@EngineeringMindset I'm wondering if Ohms values are allowed to be less than 1, or even zero (super-conductors). It seems weird to me that current from a 9V battery could be 90 amps if the resistance was .1ohm.

[@rcwaj2007sr]

I'm an Electronic Engineer and this was very informative and a good quick refresher course. Thanks 👍🏾

[@DrarslanAbdulsattar]

:) tukliya

[@rejecteddriftwood314]

Problem#1: I=0.5A Problem#2: V=229.92 Is that even right!, I didn't even look for the answer?

[@staffbox1811]

yuh i think it's right

[@fhghfg7450]

Yes, that is correct.

[@sunyata00]

Same answers from me too. However, I wonder what happens if the power is AC.

[@cockroach5776]

@@sunyata00 it’s gonna be the same thing it’s just it moves back and forth.

[@Nithin-zk4re]

Wrong, Problem1: 2A Problem2: 229V

[@lucasbaker7544]

this stopped my depression

[@falco524]

lmfao

[@snakesocks]

Sometimes science is just turtles all the way down: 'Why do engineers use (j) = sqrt(-1) instead of (i)?' 'Because 'i' was already taken.' 'What is 'i' used for?' 'Current.' 'Why do we use 'i' for current? Why not 'C'?' 'Because 'C' was already taken...'

[@gayakaram277]

lmao j is joules btw

[@jasonbrown467]

reminds me of why the local drive in your computer that has its operating system installed on said drive, is called the "c" drive, because "a" and "b" were taken, both a and b were used for floppy drives. "d" is the optical, or was rather, then everything else like flash drives continue from there.

[@ibrahim.t3530]

Because in math we use” i “as an imaginary number so for eliminating this confusion we use “ j ” for current

[@pythoncoding5956]

Actually 'i' stands for current intensity

[@sveinolsen7387]

Just started a course at university called electrical circuits, and this was 10x better than the two hour lecture the professor gave.

[@cristiancampechano2743]

Hell yeah, comments like this don’t make me want to go buy a course or go to school just to learn electricity . Think about it half the time these colleges are teaching you something even in highschool . They pull up a dam you tube video

[@Aenaizhar5709]

Literally THE BEST EVER VIDEO OF EXPLAINING PHYSICS TO ME IN MY ENTIRE LIFE. I'm not even lying!

[@abbyseaders2135]

I've never understood this so well! With an electrician for a dad and a brother who grew up soldering circuits for DIY electronics, I've always gotten confused when they hand me an electrical tester and tell me to go diagnose something. It's been explained to me dozens of times but now it makes sense! Thank you for the visuals and animations, they made all the difference. Now I can't wait to go watch your other videos and finally understand what they're saying when they talk about their latest projects :)

[@willspeakman2461]

Teaching something is very different from understanding it. They may just be poor teachers. Lucky for us we have channels like this who can convey information in a easy to understand manner. I feel that KZbin is becoming a true university to those who want to learn.

[@suryanshdubey5852]

@@willspeakman2461 I agree with your last part. I recently got interested in learning about electronics and I'm gaining all my knowledge from KZbin only.

[@Kageofyoutube]

Who else in school is watching this video because when ur teacher was explaining it u had no idea wat they were saying?

[@peterokaretse3360]

Me ooo😂❤

[@Itzzmakaykay]

🙋

[@arnoldrivero2251]

Elon musk said it you don’t have to go to college to learn , just go to YOU TUBE everything is there and it’s Free.

[@haldyrs.telvanni4829]

Great explanation. I like to visually remember it as a water dam. Current being the water flowing, resistance being the dam, and voltage is the resulting buildup of water that can't pass.

[@24Malik23]

broooooo i learned more from you in 1 h than 4 days of science class

[@pseudoalice]

I just found your channel and it's such a godsend. I have attention problems and can't focus on monotonous slides for too long, but your videos have enough movement/color/fun facts to keep me engaged. Thank you for this content!

[@mothusimoletsane8334]

Wow I thought I was the only one

[@layku4348]

@@mothusimoletsane8334 we're three now

[@Greg-lo1tl]

@@layku4348 Four.

[@beepbeepimasheep237beepbee3]

@@Greg-lo1tl Make it five.

[@davidcarson9072]

6

[@91whydoesitmatter19]

It bugs me way more than it should that this Ohm's Law triangle is used instead of people just understanding basic algebra.....

[@kreemos2698]

Everyone needs to start somewhere

[@Atc350xx]

These videos have helped me alot during my eletrical training at my new job. I appreciate your time and effort you put into them!

[@teslacoil5378]

Do you work residential? Industrial? What do you specialize in?

[@mytestimonychanneltv6981]

My dad explained the standard unit of power to me and I said watt

[@theninetwo7266]

MAN THANK YOU SOO MUCH . YOU SHOULD BE DAMN PROUD OF YOURSELF KNOWING HOW MANY PEOPLE YOU HAVE HELPED .

[@ManhaJSalafee]

First Question Ans: I(current)= 120V/240 ohom = 0.5 amp Is my answer right ?

[@engineeringmaniac9696]

I am a civil engineer and your videos really help me with the basic concepts of other streams of engineering.

[@jcoxy1057]

Same here 🤝

[@johnnytheg]

After years of trying to wrap my head around these calculations and watching dozens of youtube videos on the subject, this video finally makes it all clear to me. Thank you so much for this! Can't wait to watch more.

[@MushtaqKhan-by3bi]

same condition

[@boldizsarjakab]

Here in Hungary we actually use U for Voltage

[@milosmladenovic1511]

In Serbia also.

[@funnygamerhd5242]

In Romania also

[@iloveyoufromthedepthofmyheart]

Same in Slovenia :)

[@raj5999]

Scientist name must be same everywhere 🤔

[@adeel.designer]

Here in Pakistan, we don't have Voltage 😢 we don't have current 😢 but we are high in resistance 😆

[@hunterpalmer1982]

I learned all this stuff in depth through my training in the US navy. Ive forgotten some of the more extreme stuff by now but i'd say even that is more simple than people think. I have personally used the VIR circle (with the addition of a P for wattage equations) to build many car stereo systems. Maybe i'm just a nerd but its fun to see it in action and feel physical results from your brain work.

[@h1ghfructose682]

THANK YOU!!! I understood quickly. Great job explaining to beginners. I went from zero to understanding and applying ohms law in a matter of minutes. Loved the problems in the end, and the answers provided on the site. I appreciate that you really like to teach.

[@DrarslanAbdulsattar]

:)

[@its_rather_faisal]

ANSWER OF THE GIVNE PROBLEMS (1) GIVEN: VOLTAGE = 120V RESISTANCE = 240 OHM ACCORDING TO OHM LAW : CURRENT (I) = V÷R = 120÷210 = 0.5 A (2) GIVEN : CURRENT = 0.958 A RESISTANCE = 240 OHM ACCORDING TO OHM'S LAW : VOLTAGE (V) = CURRENT (I) × RESISTANCE (R) = 0.958 × 240 = 229.92 V

[@izuraiz4u]

For Problem 2: The solution is: Voltage = Current x Resistance = 0.958Amp x 240 Ohms = 229.92 V So, the answer for Problem 2 is that there are 229.2 V

[@EastOaklandRoyalty]

This shit is just amazing maaayn. Im comparing the info on this video from the book and maaayn let me tell you, your explanation is way easier to understand and implement.

[@SPC_Dinkers]

Bro, I’ve been searching forever for a lesson that explains this for dummies, and you hit it right on the nail. Thank you my friend for this video

[@ArconicTower]

1: V/R: 120V/240Ohm = 0.5A !!! 2: I*R: 0.958A*240Ohm = 229.92 !!!

[@ProsperBelieveIsaiah]

Yes, I can. First of all I want to say a big thanks to you, your videos are really helpful❤❤❤ Problem 1 V = 120, R = 240; I = ? Solution: I = V ÷ R I = 120 ÷ 240 = 0.5 Answer: 0.5A Problem 2 V = ?, R = 240, I = 0.958 Solution: V = I × R V = 0.958 × 240 = 229.92 Answer: 229.92V Am done!

[@Abdullah-mg5zl]

*summary:* - voltage and electromotive force (EMF) are the same thing - the relationship between current, voltage, and resistance is I = V / R - given a circuit - we can decrease the current and voltage by adding a resistor - we can increase the voltage and current by adding a battery (in series) - we can increase the voltage and current by removing a resistor

[@davidwitte8469]

What about watts? When I buy bulbs, I look at watts not ohms.

[@ChinhLe-jm1mf]

@@davidwitte8469 watts = total of volts x amps, they call it watts... is the total power 🔋its in the basic video series... im a slow learner, I had to watch each of them slowly and think about them to catch all details.

[@finhasnebiyou987]

V=RI .•. The voltage increases as the resistance increases as well as the current increases!

[@altuber99_athlete]

Voltage is not the same as EMF.

[@altuber99_athlete]

@@ChinhLe-jm1mf If voltage and/or current are time-varying, and the user meant active power, and in your formula you used instantaneous voltage and instantaneous current, or if you used and in your formula you used RMS voltage and RMS current, then your formula is wrong. (P =/ V_rms I_rms, P =/ v(t) i(t).) If voltage and/or current are time-varying, and the user meant instantaneous power, and in your formula you used instantaneous voltage and instantaneous current, then your formula is correct. (p(t) = v(t) i(t).)

[@gabedarrett1301]

I just use V=IR and a bit of algebra

[@randykirby2326]

I don't like using the letter V. I prefer using E for volts. When using E, I and R, you're keeping everything in like terms.

[@allampatisubbaratnamma6836]

Sir, if we hook an LED to 9V battery,then the current in that circuit is not defined(since,I=v/r)it's 9÷0=not defined Then how the LED bursts?

[@EngineeringMindset]

It is defined because the Led has a maximum current. Say 20mA, so that is your current you can't exceed

[@allampatisubbaratnamma6836]

@@EngineeringMindset thank you

[@mada6216]

Dammit, this video series is fantastic!!!... if only i had access to it "BACK IN MY SCHOOL DAYS" Orz

[@jerryhu7153]

(1) 120/240 = 0.5 A (2) 240*0.958 = 229.9 V

[@ammartamimi9864]

my question is, if voltage proportional to current according to Ohm's law, then why in a transformer you see high current, low voltage?! or vise versa. it is very hard for me to comprehend by comparing this to water in a pipe example.

[@None-0n3]

well if we take R = V/I into account, then we can assume the transformer has very little resistance (ohms). This is why the current is then sent from the transformer to multiple outlets. Thereby increasing resistance as you add load decreasing the overall voltage to all those outlets. This is why we see varying voltage depending on time of day if we test the voltage of an outlet connected to the power grid.

[@solarion1260]

this must've taken time out to make the videos you have. unlike other youtubers who take 10 minutes to make a video, it is so helpful to know that someone takes their time to explain thoughtfully. Thank you!

[@jblabs8651]

2 Amps 229.92 V on UK Wow Thanks for the vid very helpful

[@stcox01]

Voltage is correct but amps is wrong 120v ÷240ohms= .5amps

[@donjoseph73]

Ya he’s right those who grew up on KZbin have no idea how lucky they are. I’m 49 and man I had to learn music and everything else by books and ear. I sometimes feel I’m to old to start learning about electronics. But I’m going to try anyway. 🤔

[@javirodriguez1432]

wait this ain’t deftones

[@rexywexystudios]

Too bad this law is named after a horrible youtuber.

[@TyreseC._7]

The Answer is 229.9v

[@JennieGem7]

1) 0.5 A

[@scottyhardway7557]

Great video. I've been studying ham radio for a year now, going for my final license (extra) next month. Having started with zero knowledge in electronics, this series has been most helpful. Thanks!

[@gbemigaakiniola8744]

Shout out to all my upcoming electricians all over the world

[@nobleosei-bonsu9308]

This video broke down all the things I didn't understand for easy understanding . I'm going to pass my test

[@cryptofan6937]

I love this vid, the most useful part was the triangle formula. Saved me a bunch of time.

[@earlandrelouiseperez7301]

Problem 1 = 0 5A Problem 2 = 228v

[@Shadowbird92]

Your taste in multimeters is great. I wish I had this video about 2 years ago, it would have helped immensely.

[@EngineeringMindset]

Check our new Multimeter tutorial out ➡️ kzbin.info/www/bejne/ap2kqq2IrdiVesU

[@mohammedtassowuff1936]

well explained i love you THE ENGINEERING MINDSET

[@johnpeterson4213]

This was a very interesting and enlightening video, to me, a layman! Very clearly presented and understood!

[@SSeyhaa]

Amazing, this video is fantastic. Explanation + animation = understandable Thx u a million ❤️

[@appriluzumaki9350]

can you pls mawwy me and get my tewer? 😢

[@scfrhc9131]

First of all, I agree this is a great series of educational videos. However I am confused about the triad relationship discussed here. For example, if one were to increase the resistance to infinity then shouldn’t voltage also increase to infinity…but how can that be…? Thank you!

[@laserdiode]

If the resistance is infinite the current is usually zero so the voltage can be whatever. Only if the current was constant the voltage would have to be infinite. That just means we can't have constant current with infinite resistance

[@scfrhc9131]

Thanks again

[@ubaidshaikh3964]

1) 0.5 amps 2) 229.92V ? Is it correct?

[@codylewis2683]

That’s what I got couldn’t find the link to the answers so I come here to verify 😅 looks good to me

[@Nawwar1980]

This is a true an "open free educational channel" for people who can not afford educational fees ,many thanks for this channel and keep the good work.

[@ean8168]

This s so cool. I finally understand what is current, voltage and resistance.

[@jesuspectre9883]

We could use a whole long video on parallelism and resistance. The electrical resistance of an object is a measure of its opposition to the flow of electric current. The inverse quantity is electrical conductance.

[@karhukivi]

Ohm's Law really only applies to metals and direct current and is not really a "law" as there are many things that do not obey it. For example, semi-conductors, ionised gases, ionic solutions, soil and rocks, and incandescent lamps. Alternating current circuits do not obey it if there are inductive or resistive components. Even metals do not obey it at high current densities. However, for most DC electrical circuits it is a fairly useful formula.

[@BenRush]

Thanks!

[@EngineeringMindset]

Thank you, again, Ben

[@jasonbrown467]

wow, ecellant video. i had no idea about this v=ixr thing, but by the end of the video i was coming up with the correct answers before they were shown.

[@sanyeaern8815]

omg tq so much i learn a lot from this video😭😭😭

[@patrickoneil3219]

As an industrial electrician w 80hd...math / ohms law does not come naturally but essentialtoknow. This video....the triangle...the thumb method....HUGE help...thank u 👏🏼👏🏼👏🏼 🤜🏽🤛🏻👍🏻

[@afhamarif3133]

Thank a lot, This video understands me a lot😊

[@lukeandy4133]

Very Important Law V=IR

[@jaudiolab9563]

This help me soo much...thank you !!! I able to solve the problem 1&2 ...❤️❤️❤️❤️❤️❤️❤️

[@jamiewilson1922]

If I had a triangle for every equation I'd be square

[@warthogs3098]

Very nicely explained! I could never listen to a teacher talk about something for 10 minutes and pay attention but I could for this!

[@ebrimajadama5095]

V=I×R V=0.958×240=229.92 I=V÷R I=120÷240=0.5

[@fatbacon1453]

That was a good 10 minute quickie

[@TheDaizzy786]

Love you Bro, you made me understand this somehow. Otherwise I couldn't make it though... Thanks..

[@derok7323]

I like to "remember" the V=I*R formula differently: What is the current? - It's how much voltage "survived" getting lowered (divided) by the resistance. A lot of resistance means not so much voltage "survived" therefore current is low. => I = V/R What is the resistance? - It's the voltage lowered (divided) by the current. Low current implies there is a lot of resistance; high current implies there is a tiny bit of resistance. When the voltage is higher and current lower it means that something has "stopped" the current from becoming big by the voltage, and it's the resistance. Likewise, if the voltage is lower and the current very high, it implies that almost nothing "stopped" the current from being big. => R = V/I (this one sucks perhaps) What is the voltage? - It's how massive the current and resistance are together. You have a lot of voltage if there is a lot of resistance or a lot of current or a lot of both. It's like the power of a clash between the current and resistance. => V = IR I just prefer to use logic instead of remembering meaningless things By the way, as a person who loves math, whenever I see math in electrical engineering videos I suffer, it's so weird to me LMAO

[@nickayivor8432]

KNOWLEDGEABLE The Engineering Mindset Thanks 👍 From Nick Ayivor from London England UK 🇬🇧

[@The_Platinum_Realist]

1) 0.29 Amps 2) 229.92 Volts That’s what I got.

[@erossoul6265]

Maybe it’s 0.5 amps

[@The_Platinum_Realist]

@@erossoul6265 yeah the 9 is number greater than 5. So you would have to convert it.

[@MuhammadFahan-k3i]

Superb😊

[@juliewilson4926]

Could someone please help me understand, I was doing self study on some of these topics and learned that 1 amp = 1 coulomb per second, and I thought 1 coulomb was equal to a group of 6.242 x 10^18 electrons, but I did some math with elementary charges because I got curious about the numbers, found that 1 e- or p+ has a base elementary charge of 1.602 x 10^-19, if I divide 1(representing 1 coulomb) by 1.602 x 10^-19 I get 6.242 x 10^18, and I double checked by multiplying 6.242 x 10^18 by 1.602 x 10^-19 and got 1. but doesn't that mean that 6.242 x 10^18 is not the number of electrons but instead is the collective elemental charges of a group of electrons in a coulomb?

[@alphabetgpt4]

He2kX.. Gimana bisa ujian kmaren..? He1000x..! 😎😎🙄😭

[@travisnims7130]

Don't mind me, the Deftones brought me here...

[@cloudywood4197]

same hehe

[@danielpreda1978]

Hi! Do you have a video for Kirckhoff's laws also? If not, maybe you will do it please. Congratulations, very good job!

[@tekmusti]

08:48 i want to add an info about the resistor why there is 450ohm resistor Why did he use 450 ohm? Because the led works with 0,02 amper. So,if we use ohm law; 9(v)=0,02(I)*R R=450ohm (the resistor's amount) İf we use 100 ohm resistor that; 9v=I*100ohm I=0,09 A led takes 0,02 amper, but at that time there will 0,09 amper flows into led. So led burns cause of over flow

[@EngineeringMindset]

Check out NEW resistor video, everything covered! ➡️ kzbin.info/www/bejne/eorGfXl-nLt2pJI

[@binubenedict4978]

Problem one ans: 0.5A Problem 2 ans: 229.920V

[@WeirdDuck781]

Also, C is used for the constant of light speed, which is often used when designing circuits with high precision requirements

[@contenidouniversal2251]

Very very helpful, thanks for the video, that information is so useful and very easy to understand. 🤜🏻🤛🏻

[@jacobnduya798]

Thanks alot. Actually in my O - Level sschool we don't learn much about physics due to shortage of teachers but i still love physics. Problem 1, I/ current = 0.495.. Or 0.5 A Problem 2, V=229.92A.

[@heftysession]

I’m learning more from these videos then from my teachers at trade school! thank you 👏🏼

[@Xjaje]

Very very very useful informations, learned a lot from your videos and I really appreciate your effort to educate people better than school. I'd like to see a video how batteries works and why do they discharge rather than just pushing electrons infinite times? Why after certain charging/discarghing cycles the batteries aren't good anymore?

[@m.d.kgamear6749]

(Current)I=0.5 (Voltage)V=229.92 From mridini sanjitha Kumar

[@jbdubduban4761]

8:25 you said earlier that if we double the voltage we double the current what happened? Why still 0.5A?

[@AkliluZGebre]

Watching you from Ethiopia,,, your videos are far better than my instructors here...honestly! Cheers man!

[@JennieGem7]

2) 229.9 Volt

[@user60521123]

So each volt is equal to roughly 4.16^18 elections flowing each second?

[@ShubhiDwivedi-ve8es]

Problem 1st ka answer 0.5A Problem 2nd ka answer 299.92

[@Rawlamar]

1) 0.5=I; 2) V=229.92 {I used a calculator for the second one, difficult}

[@RailFan92]

Problem 1- 0.5 Amp (120/240) Problem 2- 229.92 Volt (240×0.958)