Physics 36 The Electric Field (7 of 18) Finite Length Line Charge

In this video I will find the electric field of a finite length line charge.

[ismailkhan-bcpz]

Michel van Biezen or should I start calling you professor? I'd just like to thank you and your assistants for providing this educational content on youtube. You have multiple videos with in depth examples and it just about covers everything i'm learning in my first year engineering class at Mcmaster University. Sir, I just got my results back, and I scored an 87% on my midterm. Although I worked my ass off, you made it incredibly easy for me to learn what I needed to know for the test. So thank you once again. I'm going to be asking a lot more questions as we progress through this semester aha. Next up! Circuits!

[zinc]

7:57 any further explanation on that 'common integral' ?

[liusam]

I used your videos in A level, now that I am a first year engineer at Oxford I am still using your help!!!! thank you so much!

[peterveckmen]

I think somebody once said bro was the professor Leonard of physics which is high praise I agree lol

[MichelvanBiezen]

Mark Yu,
That makes no difference.  
Just turn the vector around at the end.
(Or solve the problem with pointing all vectors in the other direction)

[srivaishnavi]

Thank you so much for this video, it was very very helpful

[mulatiedemis]

thank you so much can do if the charge is negative

[tlhomotsemoteme]

Tomorrow I am writing my first physics semester test in 2nd semester and I am feeling pretty confident since I have been making use of your assistance. Thank you so very much. We are all grateful.

[SamArreglo]

professor, how do we prove that the dEy is zero? what would be the equation for that? thanks!

[valeriereid]

Professor, many thanks for this excellent explanation. I totally didn't understand this from the textbook. I guess you already know this, but I will say it again, you can make anyone learn physics.

[SREEHARIAJOYKUMAR]

Isn't integral of 1/(x^2+a^2)^3/2 =

What happened to arctan..is the angle small?

[custodioarmindogungulo]

Like it, but I have a doubt here: would anyone explain me why don't we double the final solution since we have two x axis components of E field? Thanks in advance.

[erwinsmith]

Why do we have to multiply the integral by a factor of 2? for a infinite line charge we directly integrate from negative infinity to positive infinity so wehy cant we integrate this integral directly from 0 to L?

[PraneshPyaraShrestha]

If and only if the professor taught like this

[samarthsaxena]

Thank you so much...this was so helpful 🙏

[Nik-qhcq]

When i take the limit L-->infinity then E = kλ/2a. If the rod was infinite then why the E depend on a? For a infinite rod the E shouldn't be constant? Like the infinite plane?

[jmezzy]

We can also integrate from -L/2 to L/2 correct? And disregard multiplying by 2

[pyroclastic]

i tried five different explanations before yours: my professor, my TA, chatgpt, my textbook and a book full of solved problems for reference. this is the only one that gave me steps to follow. thanks to you i can do a single question on my homework (after the last four hours alone of trying to apply the previous five explanations to it). you are saving my life.

[bionicpenguin]

Why am i like this?? Why do i even start reading the comments of a educational video like why in the hell my fking brain just orders me to read random comments when i'm sitting here tryna learn some electric field






Is anyone else like me or i'm the only soul left to posses such immense power!!!

[killerization]

If the Y-components of the Electric Field were cancelling out, wouldn't the integral go from (-L/2) to (L/2) and not 0 to (L/2)?