What is the Electric Field? How do Electric Forces Work?

  Рет қаралды 30,299

Math and Science

Math and Science

Жыл бұрын

In this lesson, you will learn how electric fields work and how and why they cause forces on charged particles. In electromagnetic theory, charged particles create electric fields throughout space. These fields exert forces on any charged particles that exist in the fields. A disturbance takes time to propagate throughout the field. We examine how these electric fields occur and how to calculate the field and the force on a charged particle in the field.
More Lessons: www.MathAndScience.com
Twitter: / jasongibsonmath

Пікірлер: 136
@HeavenlyPress
@HeavenlyPress Жыл бұрын
Every time you release a longer form video, I look forward to my Saturday mornings where I get to watch it and take notes. Dude you have no idea how helpful you are.
@MathAndScience
@MathAndScience Жыл бұрын
Awesome to hear this - thank you very much!
@worldshaper1723
@worldshaper1723 Жыл бұрын
Jason, you don't know how much I owe you.
@mewsicman9541
@mewsicman9541 Жыл бұрын
Re-learning physics concepts is a lot more fun when you're the one explaining it Sir Jason. I hope you'll do a lesson about OPTICS someday. 💗
@MathAndScience
@MathAndScience Жыл бұрын
Thank you so much and I will cover optics one day for sure.
@mewsicman9541
@mewsicman9541 Жыл бұрын
@@MathAndScience Yey, I'm looking forward to it!
@ronjon7942
@ronjon7942 Жыл бұрын
Same!
@owlredshift
@owlredshift Жыл бұрын
Yowza, count me in! Optics will be my most anticipated video.
@thangasamyarumugasamy4762
@thangasamyarumugasamy4762 Жыл бұрын
Such a great Teacher you are! you explains nuances of physics in detail. For any topic in physics, I first search for your videos only.
@avieus
@avieus Жыл бұрын
USA!
@felixyongco4420
@felixyongco4420 Жыл бұрын
Why Sir Jason is the best , because he reviews the previous ly discussed subject. In my study years , it is unfortunate if an EXAM is held and you were absent YESTERDAY. It is hard enough to. understand when you were present on the day and struggle to solve the problem the following day. It. was the very. period of our learning even though , we were UNDER American tutelege .Still , Mr . Webster is a big help.. Thank you Sir. Jason.. I keep on learning new things from your guidance.
@yuusufliibaan1380
@yuusufliibaan1380 Жыл бұрын
Thank you very much dear teacher keep going dear teacher happy Friday 💕😊❤️
@keithshepherd710
@keithshepherd710 Жыл бұрын
Excellent lecture 😊
@fahimkhalasi4115
@fahimkhalasi4115 Жыл бұрын
thank you sir i wish you the best of luck i like ac and dc circuit analysis just like you hopefully i will watch more ac circuit analysis videos on mutual inductance self inductance and transformers.
@brianmcdermott1718
@brianmcdermott1718 Жыл бұрын
Grear info. Thank you.
@Wolf-ln5mk
@Wolf-ln5mk Жыл бұрын
Thank you! As always your lectures are profound and you as a researcher are on top!
@amywilkins
@amywilkins Жыл бұрын
Great video!! Enjoying it so much
@MathAndScience
@MathAndScience Жыл бұрын
Glad to hear it!
@ronjon7942
@ronjon7942 Жыл бұрын
Oh man, the field. This was ‘the’ intro to my Physics 232 course: “we’re going to explore the concept of the field.” I either totally missed absorbing the concept (along w most of the class), or our instructor was at too high a level and couldn’t get it into our brains - Dr. Ballageer was an exasperatingly poor teacher, although apparently a good researcher. Anyway, as soon as Jason asked ‘how do these particles “know” of the existence of other charged particles?,’ I knew I landed on the right teacher. Literally 5min in, Jason had already asked the right question that triggered an aha moment.
@ramsundarpanda754
@ramsundarpanda754 Жыл бұрын
please make a video on modern physics . BTW,, you make this topic very clear.
@tresajessygeorge210
@tresajessygeorge210 Жыл бұрын
THANK YOU... SIR...!!! 🙏🙏🙏
@thiruganesandhanendraraj1413
@thiruganesandhanendraraj1413 Жыл бұрын
I am still waiting for the Fourier from you, because you make them very easy to understand forever. God bless you, please one day when time permits, which uplift a lot of engineering students.
@davidrandell2224
@davidrandell2224 Жыл бұрын
“The Final Theory: Rethinking Our Scientific Legacy “, Mark McCutcheon. Yes we do.
@ThankYouMuch
@ThankYouMuch Жыл бұрын
thank you sir 😭
@ronjon7942
@ronjon7942 Жыл бұрын
At 1:04:36, when you drop an electron in between the two charges, doesn’t the electron also have an electric field? Wouldn’t that field push the negative charge and pull the positive charge, or are the point charges rigidly fixed in space?
@carultch
@carultch Жыл бұрын
Yes it would, if we used a realistic charge instead of a hypothetical test charge. A charge of comparable size would affect the motion of the other charges, and would introduce its own electric field. We make two assumptions when we use the concept of a test charge: 1. The charges that set up the field are fixed in place by some other force. 2. The test charge is small in magnitude, relative to the charges that produce the field it is measuring, so that its own field is insignificant. Even if the test charge has to be smaller than the electron's charge, to measure the field of a proton and an electron. The test charge is entirely hypothetical, and is a thought experiment to define an electric field. The field is simply a function of space, that gives instructions on what force a given charge should experience at each location, as a function of its charge. We may use units of Newtons/Coulomb, but the test charge is not necessarily 1 Coulomb. A full Coulomb is an extreme amount of charge. Typical introductory experiments with household objects, involve either microcoulombs or nanocoulombs of charge.
@mihovillmisha9885
@mihovillmisha9885 Жыл бұрын
The question is: I transmit 1watt pep with omnidirectional vertical gp antena on 20 m band. Normal reciver needs 3 microvolts pep signal amplitude to be detected. Is the number of recivers limited if not where the energy come from?
@rizvee1968
@rizvee1968 Жыл бұрын
Is there any difference between electric field and electric field strength ?
@therecap.7070
@therecap.7070 Жыл бұрын
I remember they used to use the term unlike poles attract and like pole repels each other when referring to male and female. And that example helped me to remember the law during exams.
@rayjasmantas9609
@rayjasmantas9609 10 ай бұрын
Some help to who ever needing ways to simply understand what's what. Always start by noting each individual term being associate the presentation and recognize this is what is filling the area being evaluated, thus an analysis of a plane. Recognition of each term as it repeats its use is allowing to explore its individual character line if presented or not, which shows there is always something a little extra to know on your own then what was needed to make the presentation. The at the mathematical function trying to find the uniqueness qualities that will end as a formula. Notice the function are working with experimental values, while the formula promotes the successful find that is natural to the circumstance. So realistically science is working with one building block of everything at a time, but through different terms that make the puzzle and then with focusing tests, finds the right answer that is science, and will support engineering practices. {Example, examination of synonyms to the first base word used in the puzzle still being allowed to follow the same path lines for each different synonym's description approach of the based word, thus the path it supports to the jump of the next term use (that again is function type on its own) having its characteristics examined to being factual with its set of synonyms...
@zakirhussain-js9ku
@zakirhussain-js9ku 4 ай бұрын
I think an electric field is made of microscopic electric dipoles which stick together like iron filling in the magnetic field of a magnet.
@DF-te2vm
@DF-te2vm Жыл бұрын
This always confused me........ does radiations from the particle propagate out raidially on 2d plane, or is it All directions on a 3d type space ?
@MathAndScience
@MathAndScience Жыл бұрын
Three dimensions radially in all directions. Think of a lightbulb shining in all directions in straight lines and you get the idea.
@thatomofolo452
@thatomofolo452 Жыл бұрын
Fax upon facts 💯🤧
@qualquan
@qualquan Жыл бұрын
It's worth noting that the electric field (E) like gravity (g), is mere acceleration = d/t^2 and is a vector. Proof? Because F = qE. But F= q x acceleration. Thus E= acceleration. Graphically it is proportional to the DENSITY of the field lines. In contrast flux is the NUMBER of field lines.
@daithi1966
@daithi1966 10 ай бұрын
The repulsive force (opposite of gravity) would be the weak nuclear force. The bigger an atom gets the stronger the repulsive force until the atom breaks apart. However, the strong nuclear force is the one I think is cool. It is like an invisible rubber band. It is an attractive force like gravity, but whereas gravity gets weaker the further objects are from one another, the strong nuclear force gets stronger and stronger the further apart the objects until the invisible rubber band snaps.
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
12.56(8.85x10-12 c2/n.m2
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
e=1/4(3.14)8.85x10-12 c2/n.m2
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
positive charge going towards negative charge
@wilkyclergeot9416
@wilkyclergeot9416 Жыл бұрын
Thank you so much incredible!!!
@qualquan
@qualquan Жыл бұрын
Coulomb force, electric fields and gravity are hypotheses which are TESTABLE. We can devise tests to disprove these hypotheses and have failed repeatedly to disprove so far. That failure to disprove is commonly called a "proof", even though logically incorrect. The above in fact is the "scientific method".
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
eo=8.885x10-12 c2/n-m2
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
negative charge going towards positive charge
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
2.0 *10^-7c
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
asks magnitude point charge
@harry011984
@harry011984 Жыл бұрын
I find this stuff very hard to visualise. I can visualise forces in snooker but magnetic fields confuse me
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
110.5360
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
4(3.14)= 12.56
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
580/314=1
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
1.7 a
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
660/314=2
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
1.0 n/c /1 squared
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
e=1/4pi eo q/r2
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
=1.0n/c
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
2660/314=8
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
1.0n/c/1=1m/1
@Wolf-ln5mk
@Wolf-ln5mk Жыл бұрын
Have you studied the lectures of the Soviet theoretical physicist Lev Landau?
@MathAndScience
@MathAndScience Жыл бұрын
One class in grad school used a textbook translated from Russian that he authored. Incredibly smart person. Even with translation the book was very good!
@ryand76
@ryand76 5 ай бұрын
I still don't know how I'm even grasping this but I do😂
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
480-314=66
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
3.2x10 5 n/c
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
580-314= 266
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
1.0(1)/1=
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
1/110.5360
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
480/314=1
@wcruzwc62
@wcruzwc62 Жыл бұрын
What F=q.E, means is that the magnitude of the Electric Field of the point charge, times the magnitude of the test charge, is equal to the Force, the bigger the test charge or the point charge the bigger the electric field as well as the force.
@MathAndScience
@MathAndScience Жыл бұрын
Absolutely!
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
1.1x10-10 c
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
2(3.2x10 5)=6.4x10 5 n/c
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
1/1=110.5360/1
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
1/3.14=3
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
f=1/4pi eo q1q1/r2
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
1.0 n/c/1=1/1
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
314x3= 942
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
100-10=90
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
1/4
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
1.0x10 -13 n
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
1000-942=58
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
10 exponent 1=10
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
2/2=1
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
45 degrees=0.707 a
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
314x2=628
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
10 exponent 2 =100
@Semtex777
@Semtex777 Жыл бұрын
Just dreaming of UHD or HD videos
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
1.0/1=1.0
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
2660-2512= 48
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
2.0/1=15/15
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
radius=1 m
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
1.0 n/c
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
314x8=2512
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
6.4/6.4=1
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
1.6/1.6=1
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
1
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
f=1/4pi eo q1q1/r 2
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
10000000x10=100000000
@paulklee5790
@paulklee5790 Жыл бұрын
But why would an object ‘follow the downward curve’ of space time? Especially as it’s not being ‘pulled’ along by gravity as the curvature is gravity… Oh it’s all such a puzzlement!
@ronjon7942
@ronjon7942 Жыл бұрын
Maybe it’s being pulled by time?? Dunno yet, haven’t made it there yet - took a comment break. :)
@ursulagwozdz1955
@ursulagwozdz1955 10 ай бұрын
Light travels through space and takes the gravitational curve down toward earth.Photons of light in waves cause ionisation, and electron transfer.This is the Photo electric Effect.
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
15 cm
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
1/4=.25
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
15x2=30
@rayjasmantas9609
@rayjasmantas9609 10 ай бұрын
A fun answer to why does the apple know to fall to the surface of the Earth, is it must know the surface is meant to support it or like the cat always landing on its paws. The first logic, because it is there.
@rayjasmantas9609
@rayjasmantas9609 10 ай бұрын
The curvature logic must be a lead to associate outer Space activities with the adjustment of self placement. Planets are bound to tone another's presents, but made out of atoms that actually do the binding support, thus the theory of atomic energy is extendable.
@rayjasmantas9609
@rayjasmantas9609 10 ай бұрын
So when mentioning each atom has a electric field, all it's doing is showing recognition of its existence.
@rayjasmantas9609
@rayjasmantas9609 10 ай бұрын
As a solid now, this is giving to the logic of being able to explain repulsion and attraction forces, by simple observation, the mass as the ability to absorb till it is satisfied with filling filled that then leads to the reflection forces from the need of further absorption support.
@rayjasmantas9609
@rayjasmantas9609 10 ай бұрын
In reference to the Sun's daily constant energy support.
@rayjasmantas9609
@rayjasmantas9609 10 ай бұрын
The 2 different areas recognition of the next area's support of the shared area is like looking into a mirror for finding distinguished separation.
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
e=f/q=n/c
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
21-12=9
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
100000x10=1000000x10=10000000
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
10x-12=10x10=100+10x10=100
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
5+2=7
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
100x10=1000x10=10000x10=100000
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
2-5=0
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
1x1=1
@sammin5764
@sammin5764 Жыл бұрын
🌟🌟🌟🌟🌟
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
q=n
@racquelsabesaje4562
@racquelsabesaje4562 Жыл бұрын
10x10=100+10x10=100+10x10=100
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