Point Charges (1 of 10) Electric Potential An Explanation

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Күн бұрын

Gives a conceptual and quantitative explanation of electric potential for point charges.
An electric potential is the amount of work needed to move a unit of positive charge from a reference point to a specific point inside the field without producing an acceleration. It can also be stated as the amount of electric potential energy per unit of charge. The reference point is typically at infinity where the electric potential is assumed to be zero. The SI unit is joules per coulomb (J/C) or the volt (V).
The electric potential energy of a system of point charges is defined as the work required to bring the system of charges close together from an infinite distance. An object has electric potential energy by virtue of two key elements: its own electric charge and its relative position to another electrically charged objects. The SI unit for electric potential energy is the joules (J).
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Пікірлер: 148

@stepbystepscience 10 жыл бұрын

We all have to work to achieve our highest potential, never stop learning.

@ibrahimyare5389 Жыл бұрын

i have found what I was searching several days from you, a clear explanation is what you have earned my like.

@johnfei434 6 жыл бұрын

I spent 2 hours trying to understand the difference between electric potential energy and electric potential by searching through KZfaq and other websites. I've noticed that a lot of other science teachers try to draw a comparison between gravitational potential and electric potential for some reason. Maybe it's just me but I think that your way of tackling this concept is much more straightforward and effective than anyone else I've came across. Thank you so much!

@johnfei434 6 жыл бұрын

Btw, I definitely subscribed to your channel

@stepbystepscience 6 жыл бұрын

Thanks for watching, commenting and subscribing. Yes the terms and their corresponding units can be confusing. If I remember correctly I did spend some time try to come up with the most logical explanation.

@lexmarktk1158 6 жыл бұрын

I'm currently studying for the MCAT and have spent days trying to understand this concept. Thank you so much!

@stepbystepscience 6 жыл бұрын

It is a confusing one, thanks for the comment.

@JeanFFuentes 7 жыл бұрын

the value of a KZfaq education.

@mihirbose1532 3 ай бұрын

These kind of explanations are the one's That I think people crave ( I DO) THANK YOU SO MUCH

@stepbystepscience 3 ай бұрын

You are most welcome. Best wishes!

@017755584 3 жыл бұрын

Please dont stop making education video like this,you help me alot understanding the concept

@stepbystepscience 3 жыл бұрын

Thank you so much, I plan to keep making videos!

@saba5426 8 жыл бұрын

your explanations are so clear and so easy to understand , thanks a lot keep up the good work!!!

@stepbystepscience 8 жыл бұрын

+Saba Urumashvili Thank you very much for the comment. You can see a listing of all my videos at my website, www.stepbystepscience.com

@LeyianSena Жыл бұрын

This is by far the most confusing concept i have come across in my learning😂

@gloria7118 4 жыл бұрын

Thank you for taking the time to explain this in a simple and direct manner!!!!

@stepbystepscience 4 жыл бұрын

Thanks for taking the time to comment.

@gloria7118 4 жыл бұрын

I don’t know how to comment on my iPad, I don’t see it as an option but your videos are fantastic!!! Do you happen to have any for organic chemistry?

@jameswinnaing7714 7 жыл бұрын

thank you for free energy research

@bennabon 6 жыл бұрын

omg, it's me who have to thank you, you just saved my physics life !

@stepbystepscience 6 жыл бұрын

You are welcome..You can see a listing of all my videos at my website.....www.stepbystepscience.com

@azrinbaharin2395 6 жыл бұрын

Thanks bruh, Benefit of modernization Knowledge on our finger tip

@mollypete4270 5 жыл бұрын

Wow that graph was severely helpful, thank you!

@stepbystepscience 5 жыл бұрын

Great, thanks for watching and commenting.

@asmara5619 7 жыл бұрын

Love it very clear to the point .Thank you very much.

@stepbystepscience 7 жыл бұрын

No reason to beat around the bush. You can see a listing of all my videos at www.stepbystepscience.com

@sarahvoor2744 9 жыл бұрын

Great video Brian! Very straightforward

@stepbystepscience 9 жыл бұрын

Sarah Voor Great, thanks of the great comment, I always try to be as straight forward as possible.

@noorkhan-ft5df 8 жыл бұрын

so easy to understand.....thanks a lot keep up the good work.You are the best one teacher

@stepbystepscience 8 жыл бұрын

Thanks for the comment. You see a listing of all my videos at my website, www.stepbystepscience.com

@ShafiqulIslam-hb5uk 7 жыл бұрын

awsome and instructive

@cherylm2C6671 16 күн бұрын

Thank you for breaking down this explanation!

@stepbystepscience 11 күн бұрын

Glad it was helpful!

@haitamalami6972 Жыл бұрын

Best explanation i have seen so far.

@stepbystepscience Жыл бұрын

Thanks so much

@pitsy3393 2 жыл бұрын

Can i ask?? How did you divide the meters and coulomb, by the distance?? And how did you come up with 2.16 and 10^5???

@tiagotassinari1435 2 жыл бұрын

Thank you so much!!!!!!

@shyaamsundar2262 2 жыл бұрын

Useful video !! Good one if u know the concept .

@stepbystepscience 2 жыл бұрын

Glad you think so!

@dhiaawad6710 6 жыл бұрын

Very professional explanation. Thanks

@stepbystepscience 6 жыл бұрын

Thanks.

@Shackled 4 жыл бұрын

Really good stuff! Thank you!

@stepbystepscience 4 жыл бұрын

Glad you enjoyed it! Thanks for the comment.

@enzomwinkeu4949 Жыл бұрын

Science never get old , the video is made 8 years ago but i still learning

@stepbystepscience Жыл бұрын

Glad you are still learning!

@renadalharbi8803 2 жыл бұрын

Usually, physics is my enemy, I really hate it. You made it much easier for me :) Thank you so much!

@stepbystepscience 2 жыл бұрын

My pleasure, thanks for watching!

@themvlek Жыл бұрын

After taking my final exam, your channel really helped me, so thank you

@stepbystepscience Жыл бұрын

Very happy to hear that, thanks for the nice comment

@stormfather599 Жыл бұрын

Thank you. It was really helpful for me

@stepbystepscience Жыл бұрын

Glad to hear that

@chocchic5833 7 жыл бұрын

Your vidéo is amazing !.......just continue ......we are with you from algeria

@stepbystepscience 7 жыл бұрын

Thanks for watching and commenting form Algeria. You can see a listing of all my videos at my website, www.stepbystepscience.com

@stepbystepscience 7 жыл бұрын

Thanks also!

@cherries2845 4 жыл бұрын

This is helpful, thanks.

@stepbystepscience 4 жыл бұрын

You are very welcome, thanks for commenting.

@hypnotize8155 9 жыл бұрын

agreed,, but the world needs more teachers/ professors like yourself... we have ones that make things so hard its unattainable.

@stepbystepscience 9 жыл бұрын

Sana Sarfaraz Thank you for the very nice comment.

@oggiemc83 3 жыл бұрын

Great Videos, thank you sir

@stepbystepscience 3 жыл бұрын

Glad you like them! You're very welcome.

@jk-bf4nw 3 жыл бұрын

Thank you so much sir.

@stepbystepscience 3 жыл бұрын

Most welcome!

@jaylee842 4 жыл бұрын

Thank you so much, sir.

@stepbystepscience 4 жыл бұрын

You are very welcome.

@hamadalyami2908 8 жыл бұрын

you are just the best one

@stepbystepscience 8 жыл бұрын

+Hamad Alyami That is very nice of you to say. You see a listing of all my videos at my website, www.stepbystepscience.com

@LouysHong98 7 жыл бұрын

Why is electric potential defined for positive test charge ? What about negative test charges ? Say we want to move a negative test charge closer to a positive charge, the work done should be negative, so the work done per unit charge is negative ?? pls help

@noughatvirus6412 5 жыл бұрын

Awesome work sir

@stepbystepscience 5 жыл бұрын

Thanks for the comment.

@tonnyradack4259 11 ай бұрын

Good work

@stepbystepscience 11 ай бұрын

Thanks!

@alvinlam21 4 жыл бұрын

Great stuff

@stepbystepscience 4 жыл бұрын

Thanks for the comment.

@hemantrana5199 3 жыл бұрын

Well explained

@stepbystepscience 3 жыл бұрын

Appreciate that, thanks!

@ronamaesalve9542 3 жыл бұрын

how did u convert the answer, I got 216000 answer in my calcu how did u do the 2.16 x10^5

@stepbystepscience 3 жыл бұрын

Those answers are the same, from 216000.0 move the decimal 5 places to the left and you get 2.16 x 10^5.

@roaahedaya1779 7 жыл бұрын

if I have an electric field from a negative charge and I placed a positive charge inside filed, the positive charge will have more electric potential when it gets far from the field and less electric potential when it gets closer to the field? am I right? 😅

@stepbystepscience 7 жыл бұрын

First of all do you mean electric potential of electric potential energy? Your question is a bit unclear.You can not really get farther from the field. You can get farther from the charge and then the field gets weaker.....

@roaahedaya1779 7 жыл бұрын

Step-by-Step Science I mean if a proton for example at a distance of 4mm from an electron will have less potential energy than a proton at a distance of 5mm from the same electron? I am sorry if my question is not clear

@mihirbose1532 3 ай бұрын

@@roaahedaya1779 That's easy bro. The potential energy will be -k(e^2)/r The electrostatic potential energy of a proton 4mm away will be : -k(e^2)/(4*10^ -3) and of a proton 5mm away : -k(e^2)/(5*10^ -3) We can think of the proton and the electron together as a system of charges in both situations and the electrostatic potential Energy ( different from electric potential , which is , the electrostatic potential enerygy / coulomb) will be ( kq1q2/ r) .. -ke^2/r. My bad I'm 6 years late Did I answer you're question though ? Am I wrong ....? Since in the 5mm case it's the same numerator divided by a greater value of r , It'll be lesser for the 5mm situation. That's my take on this. Did you figure it out already ?

@andrewbutryn1255 8 жыл бұрын

thank you....

@stepbystepscience 8 жыл бұрын

+Andrew Butryn You are welcome!

@calvinkay1747 2 жыл бұрын

Thank you

@stepbystepscience 2 жыл бұрын

Welcome!

@Hearteyescandy 2 ай бұрын

I have a midterm tomorrow on this topic and was having a really hard time understanding the difference between electric PE, electric potential, and potential difference. Thank you for this course!!

@stepbystepscience 2 ай бұрын

You are most welcome. Best of luck!

@OK-ri8eu 3 жыл бұрын

Man, thanks a lot! can I buy you a cup of coffee? do you have a link for that?

@stepbystepscience 3 жыл бұрын

That would be great, not sure how to though.

@OK-ri8eu 3 жыл бұрын

@@stepbystepscience Well, you have Ko-Fi or Patreon and you just link your page in the description so that people can support you. I'll be the first :)

@neethy1836 5 жыл бұрын

I appreciate you

@stepbystepscience 5 жыл бұрын

Thanks for watching and taking the time to comment.

@rgacadming2367 8 жыл бұрын

what is the proper definition of point charge? any reference.

@stepbystepscience 8 жыл бұрын

Good question.......A point charge is a "hypothetical" charge located at a single point in space. An electron can for many purposes be considered a point charge. Got that off the web. You see a listing of all my videos at my website, www.stepbystepscience.com

@nc8002 2 жыл бұрын

Best best best omgggg

@stepbystepscience 2 жыл бұрын

Thank you!!

@chrisstholeh4576 3 жыл бұрын

Thank you😭

@stepbystepscience 3 жыл бұрын

You're very welcome!

@mddanish5916 6 жыл бұрын

Love from India

@stepbystepscience 6 жыл бұрын

Thanks from Berlin, Germany

@falastiinadam234 3 ай бұрын

Shukn akhii

@stepbystepscience 2 ай бұрын

Thank you.

@justintagle4019 Жыл бұрын

thankyou

@stepbystepscience Жыл бұрын

Welcome

@jigobiyoyo4006 3 жыл бұрын

If electric potential is a scalar quantity why can it have a negative value? what does it mean?

@stepbystepscience 3 жыл бұрын

The negative sign just means that the potential has decreased, it does not give a direction. Potential energy is also a scalar and it can also be negative. I just means that the potential energy has decreased.

@jigobiyoyo4006 3 жыл бұрын

@@stepbystepscience Thank you

@jigobiyoyo4006 3 жыл бұрын

@@stepbystepscience another question does a positive charge and negative charge have the same magnitude of electric potential despite the sign?

@rachetmarvel931 3 жыл бұрын

@@jigobiyoyo4006 Yes.

@faizasikandar6050 4 жыл бұрын

What exact definition is of electric potential

@stepbystepscience 4 жыл бұрын

It is the change in electric potential energy per unit of charge, also know as voltage and measured in joules per coulomb.

@Alwalidalharbi 5 жыл бұрын

Thank you so much. I really need someone who teaches better than my physics teacher. I really don't like the way he teaches

@stepbystepscience 5 жыл бұрын

Sorry about your teacher....but you are very welcome, thanks for watching and commenting.

@ahmadalkhaja4772 3 жыл бұрын

I’m studying for grade 12 exam and for the whole term I didn’t understand the concept although it was ez

@stepbystepscience 3 жыл бұрын

Great that the video was helpful.

@tasneem6427 3 жыл бұрын

I’ve just started studying physics 😭

@rameenjamshed5741 4 жыл бұрын

Where does this comes from v=kq/r?

@shafimishtiaq3587 3 жыл бұрын

dont go into that plzz its derviation includes continiuous integration with limits

@shafimishtiaq3587 3 жыл бұрын

at 11-12 grade what u should know is that, electric potential has inverse relation with distance, whereas K and Q (charge) will be the constant of the inverse equation simple

@rameenjamshed5741 3 жыл бұрын

@@shafimishtiaq3587 hmm... okay!

@rameenjamshed5741 3 жыл бұрын

@@shafimishtiaq3587 I did actually looked into the derivation. though I caught on very little, I am now convinced that the equation has a legit base.

@somalineogi5685 7 жыл бұрын

But how Ue=Qq/r is not understood..But otherwise exceptional...

@farrajaldossary5713 7 жыл бұрын

I can't say nothing but THANKS

@stepbystepscience 7 жыл бұрын

That is already more then enough...unless you wanted to subscribe! You can see a listing of all my videos at www.stepbystepscience.com

@farrajaldossary5713 7 жыл бұрын

I have already subscribed and liked the video. and if there is anything more I could do I will, thanks, bro from the deepest spot of my heart

@stepbystepscience 7 жыл бұрын

That is it, thank you and you are very welcome.

@ummeromaan9323 6 жыл бұрын

derivations please

@Strawberry-cu6wr 8 жыл бұрын

I am really confused between electric potential and electric potential energy :(

@stepbystepscience 8 жыл бұрын

+khadija jahan Good question and yes it can be confusing. How about this? Electric potential energy is the potential energy of a group of charges (2 or more) and it is measures in Joules. A lot like gravitational PE. Electric potential is measured in Joules per Coulomb also known as the Volt. It the the potential energy that a Coulomb of charge would have at a point a distance r from another charge. You only need one charge to have potential but you need two or more charges to have potential energy.