Point Charges (1 of 10) Electric Potential An Explanation
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- Опубликовано: 21 июл 2024
- 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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i have found what I was searching several days from you, a clear explanation is what you have earned my like.
I spent 2 hours trying to understand the difference between electric potential energy and electric potential by searching through RUclips 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!
Btw, I definitely subscribed to your channel
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.
I'm currently studying for the MCAT and have spent days trying to understand this concept. Thank you so much!
It is a confusing one, thanks for the comment.
your explanations are so clear and so easy to understand , thanks a lot keep up the good work!!!
+Saba Urumashvili Thank you very much for the comment. You can see a listing of all my videos at my website, www.stepbystepscience.com
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!!
You are most welcome. Best of luck!
These kind of explanations are the one's That I think people crave ( I DO)
THANK YOU SO MUCH
You are most welcome. Best wishes!
Please dont stop making education video like this,you help me alot understanding the concept
Thank you so much, I plan to keep making videos!
This is by far the most confusing concept i have come across in my learning😂
the value of a RUclips education.
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???
thank you for free energy research
Wow that graph was severely helpful, thank you!
Great, thanks for watching and commenting.
omg, it's me who have to thank you, you just saved my physics life !
You are welcome..You can see a listing of all my videos at my website.....www.stepbystepscience.com
Thank you for taking the time to explain this in a simple and direct manner!!!!
Thanks for taking the time to comment.
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?
Great video Brian! Very straightforward
Sarah Voor Great, thanks of the great comment, I always try to be as straight forward as possible.
Love it very clear to the point .Thank you very much.
No reason to beat around the bush. You can see a listing of all my videos at www.stepbystepscience.com
Thank you for breaking down this explanation!
Thanks bruh,
Benefit of modernization
Knowledge on our finger tip
so easy to understand.....thanks a lot keep up the good work.You are the best one
teacher
Thanks for the comment.
You see a listing of all my videos at my website, www.stepbystepscience.com
Best explanation i have seen so far.
Thanks so much
awsome and instructive
Thank you so much!!!!!!
Useful video !! Good one if u know the concept .
Glad you think so!
Really good stuff! Thank you!
Glad you enjoyed it! Thanks for the comment.
Very professional explanation. Thanks
Thanks.
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
Thank you. It was really helpful for me
Glad to hear that
This is helpful, thanks.
You are very welcome, thanks for commenting.
Your vidéo is amazing !.......just continue ......we are with you from algeria
Thanks for watching and commenting form Algeria.
You can see a listing of all my videos at my website, www.stepbystepscience.com
Thanks also!
Usually, physics is my enemy, I really hate it.
You made it much easier for me :)
Thank you so much!
My pleasure, thanks for watching!
Science never get old , the video is made 8 years ago but i still learning
Glad you are still learning!
Thank you so much sir.
Most welcome!
After taking my final exam, your channel really helped me, so thank you
Very happy to hear that, thanks for the nice comment
Great Videos, thank you sir
Glad you like them! You're very welcome.
Thank you so much, sir.
You are very welcome.
how did u convert the answer, I got 216000 answer in my calcu how did u do the 2.16 x10^5
Those answers are the same, from 216000.0 move the decimal 5 places to the left and you get 2.16 x 10^5.
Man, thanks a lot! can I buy you a cup of coffee? do you have a link for that?
That would be great, not sure how to though.
@@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 :)
you are just the best one
+Hamad Alyami That is very nice of you to say.
You see a listing of all my videos at my website, www.stepbystepscience.com
Well explained
Appreciate that, thanks!
Awesome work sir
Thanks for the comment.
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? 😅
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.....
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
@@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 ?
what is the proper definition of point charge? any reference.
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
Good work
Thanks!
Great stuff
Thanks for the comment.
Thank you
Welcome!
thank you....
+Andrew Butryn You are welcome!
Shukn akhii
Thank you.
agreed,, but the world needs more teachers/ professors like yourself... we have ones that make things so hard its unattainable.
Sana Sarfaraz Thank you for the very nice comment.
But how Ue=Qq/r is not understood..But otherwise exceptional...
I appreciate you
Thanks for watching and taking the time to comment.
What exact definition is of electric potential
It is the change in electric potential energy per unit of charge, also know as voltage and measured in joules per coulomb.
If electric potential is a scalar quantity why can it have a negative value? what does it mean?
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.
@@stepbystepscience Thank you
@@stepbystepscience another question does a positive charge and negative charge have the same magnitude of electric potential despite the sign?
@@jigobiyoyo4006 Yes.
Thank you😭
You're very welcome!
Best best best omgggg
Thank you!!
Love from India
Thanks from Berlin, Germany
thankyou
Welcome
derivations please
Thank you so much. I really need someone who teaches better than my physics teacher. I really don't like the way he teaches
Sorry about your teacher....but you are very welcome, thanks for watching and commenting.
Where does this comes from v=kq/r?
dont go into that plzz its derviation includes continiuous integration with limits
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
@@shafimishtiaq3587 hmm... okay!
@@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.
I’m studying for grade 12 exam and for the whole term I didn’t understand the concept although it was ez
Great that the video was helpful.
I’ve just started studying physics 😭
I am really confused between electric potential and electric potential energy :(
+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.
omg who named this thing i'm confused
I can't say nothing but THANKS
That is already more then enough...unless you wanted to subscribe! You can see a listing of all my videos at www.stepbystepscience.com
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
That is it, thank you and you are very welcome.
Please reply
To what?
I thought the Coulomb's constant value is 8.99
8.99 or 9.00 is it basically the same.
you didn't talk about electric potential energy ,guese u forgot
Here are a couple of videos you might find useful:
ruclips.net/video/0vP8OOWb-PY/видео.html
ruclips.net/video/lVr9I4dYDkM/видео.html
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Try biology to get more subscribers
I would but I really do not know very much biology....more chemistry would be a better choice for me. Thanks for the suggestion.
Hell physics
Hell like "Hell Yea" in a good way?
Always physics is a hell .⌚no time to see this video sry guys try some other subject for more subscribers
Try biology to get more subscribers
You're a dope.