
Here is the video I am watching. It has a freshman to senior flow sheet for courses in electrical engineering.
4 Years of Electrical Engineering in 26 Minutes - YouTube
based on this video for beginning electrical engineering courses you mainly want to focus on math subjects and science to gain basic knowledge.
next you want to take the next level up of the same math, along with programing and systems based classes.
there is a lot of terminology I do not understand so I will go into that. first so I can understand what is going on.
book they mention called: statistical consequences of fat tales.
Using courses from free online schooling Websight known as khan academy and there electrical engineering course I will explain past notes I have made.
There are 2 types of charges.
- Negative and + Positive (like magnets.)
They both attract each other - to + . but if there are two charges that are the same, they will repel each other, this is the basic building block of electricity.
- >.< + V.s + <.> +
Time to ask a bunch of questions and get to the root. You always start from the beginning.
Why do objects have a charge, how are they charged?
What exactly is electricity and why can we move it?
What exactly is a charge?
Why are there 2 different charges and why do they react this way?
What can be charged? Is charge considered matter?
Is charge infinite? dose charge fade or change?
Why do objects have a charge?
* There is an imbalance of protons and electrons in the atom of the object. = one has moor protons than neutrons or vice versa.
When the number of electrons is balanced the object is neutral and it has no charge.
How do you get an imbalance? Wouldn't that make the atom unstable? Do unstable atoms emit energy? how many atoms have to be imbalanced to create a noticeable charge?
How are objects charged?
*Friction: Rubbing 2 objects together causes one object to lose electrons and the other to gain them.
What determines which one loses electrons, and which one gains electrons? Is this why there is heat with friction?
* Contact: A charged object is touched to a neutral object.
Why does this work? is it similar to friction? how dose this work? Dose the charged object lose its charge or do they both have week charges?
*Induction: Charging is done without touching the charged body to the object that needs to be charged.
???????? So, nothing touches? how is it transferred? how far away can you charge it from? does it work with any object? how strong of a charge do u need? is it like lightning or the shock u get from static electricity? If it is why does it sting? can people be charged? does it work for any object? dose the object loose its charge?
What is electricity?
Electricity comes from the word electron.
An electron is a negatively charged part of the atom that zooms around the center of the atom.
The movement of electrons is what forms electric current.
*Electricity is when electrons move in the same direction as a group being pulled by protons positive charge.
is it possible to have positive electricity by moving protons? how do u manipulate the protons charge like that?
Why can we move electricity?
video i watched.
https://youtu.be/oI_X2cMHNe0
Electrons do not carry energy from battery to bulb. !??
in the video they mention electrons transferring cantic energy to the lattice when the electron bumps into the ion.
What is a lattice? What is an Ion? are there different kinds of energy? what makes them different?
Latice:
there are multiple definitions of lattice but in this case, it is a "regular arrangement of atoms or molecules."
the second definition is a kind of support structure.
Ion:
A charged particle that can be negatively or positively charged.
So in this case it is saying the electron hits the proton transferring its connetic energy to the wire/ material the atoms make. - my assumption.
proton formation = lattice.
electrons go zoom around the proton formation /lattice - protons don't move?)
then electrons crash into protons because of fast zoom energy. -where zoomies come from?
then some or all of the energy gets transferred to protons/ lattice?
less zoom energy in electron = slower electron after collision. - what is an electron with no energy like? what does it do?
protons/ lattice wiggle moor and heat is generated.
- wigle from force of impact? energy? both?
how can an object with negative charge transfer its energy to something of the opposite charge?
protons wiggle= heat= glowy light =light bulb.
e- = electron, p+ = proton.
full interaction (in lightbulb):
e- = caries energy= zoomies > e- goes zoom around p+> e- eventually hits a p+ in the formation making up the wire > e- transfers connetic energy to P+ formation = less zoom energy in e- = slower e- (or even just e now) > protons wiggle= heat= glowy light = bam light in lightbulb
to transfer connetic energy = e- has to have connetic energy.
where did that energy come from?
why dose e- speed up with moor energy?
"e- do not carry energy from battery to bulb."
e- still gets acceleration & bumps into p+ in a circuit even if it wasn't just at the battery. (I assume this means the e- has a moor stable rotation around p+ until moor energy is given in the form of connetic energy) how do u spell connetic energy?
kinetic energy:
the energy an object posses due to its motion.
https://youtu.be/WrFCHt21kVA
so if it moves it has kinetic energy?
- Yep, depending on mass and speed it can have more or less energy.
do all things have energy stored all the time?
why does it have energy when it moves?
I can't answer all my questions right now so we will get back to them later.
Where dose the kinetic energy from e- come from if not the battery in the circuit.
- an electric field in the wire.
why and how do both the electric field and energy transferring? what's an electric field?
e- transfers energy to lattice but the energy came from electric field.
"energy can not be created or destroyed." - where did that energy come from?
where dose the electric field come from?
an electric field dos come from the battery but not enough for the entire circuit.
there is another electric field along the surface of the wire of the circuit.
e- energy flows through the wire, into bulb which uses up energy, leading to less - energy on the other side meaning there is more p+ with no e- so there's more positive energy.
all of those charges create the electric field in the wire.
I don't get it.
how is the field made?
electric field in the wire exists.
it's made up of the battery (+&- flow order?) - what does the battery contribute?
and from charges on the surface of the wire. - where did those charges come from? why are they there?
"e- energy flows through the wire, into bulb which uses up energy, leading to less - energy on the other side meaning there is more p+ with no e- so there's more positive energy."
is this referring to the flow order set by the battery? dose the battery determine the direction of flow? how dose this create an electric field?
this creates an electric field everywhere in the wires and in the space around the wires.
the field is activated by the battery the moment it is inserted, the battery also maintains the flow.
i still do not understand where the surface charge comes from or why it is there. but i kind of get that the battery is in control of the input of energy that kick starts it.
i have spoken with my parents about this problem and we have come to the conclusion that the wire is basically an extension of the batteries electromagnetic field. because yes the battery sets the charge for the wire/ how the positive and negative energy flows. and the wire is a conductor meaning it caries that charge acrost the wire. Wich allows the field of the battery to be dispersed acrost the wire and letting the wire have its own field.
process:
battery is connected to wires in circuit > gives charged energy and dictates what side of wire will have - and + flow > wire being a conductor, caries that energy throughout the circuit = wire gains electromagnetic field from battery too> e- take energy and flow the electromagnetic field set by the battery and caried by the wires.
how come the light bulb emits light with heat and not the whir? - the whir can't have the same process as the bulb or it would get really hot wouldn't it? it would burn a lot of energy before it even got to the bulb.
1: wires do get hot, that is one reason for the non conductant sleeve around the metal in wires.
2: different materials have different strengths of conductivity = different atoms= different results. simply put, the circuit wire is made up of a material that is stronger and doesn't emit as much heat whereas the wire in the light bulb is meant to be more heat conductant.
full process:
battery is inserted > charge is given to the circuit wires creating an electromagnetic field> electromagnetic field uses the charges given by the battery and moves the electrons along the wire = one side of wire has more - energy> electrons take kinetic energy from the field in the wire and speed up> e- dose hit p+ in wire but not to much causing the wire to heat slowly over time so the wire is wrapped in a non conductint tube by people. > e- enters light bulb and starts bumping into even moor p+> e- discharges moor energy
in light bulb than wire= p+ move moor = moor heat = light. > e- now has less energy when it goes into the other side of circuit = more p+ = positive energy charge on the other side of the circuit.
how does e- get their kinetic energy back?
"The battery dose continuous work to maintain it, by moving electrons through the battery against the coulomb force."
What is coulomb force?
"The force of attraction or repulsion between two electrically charged particles or objects"
If I go into this, I will start going into how batteries work instead of just the flow of electrons, and I still have many questions to answer so this will have to wait.
What exactly is charge?
- a property of an object based on weather it has moor electrons, protons, or it is neutral.
*Warning, my mind drifts a bit here ends with E*
- to understand why electrons r negative and protons r positive I think you would need to see what atoms r made of and we currently don't have the technology to do that because famously, if you try to split an atom it blows up and is called an atomic bomb. and to find out about what makes up the makeup of an atom we need to look into that. which is an infinite spiral. infinity is both small and big.
because we dont know what it is for it to exist, you could say it dosnt exist yet. in wich case, is it nothing? it is somthing, we just dont know wen or where, and if it has no values or definition we can guive it (ex: a dog is an animal with fur called dog)
it is eather a somthing with nothing, or simply a nothing/ nothing depending on your point of view. if you beleve it is nothing, because there is infinit things nothing is or isnt made from, you could allso say everything is made of nothing. if a tree falls and no one hears it did it make a sound?
to me, saying nothing makes up everything
is the same as trying to make something work without knowing how it works.
if it is infinitely small it is impossible for people to consider what makes up what and how many what's make up other what's, so you haven't even thought about the something that makes up that something yet, making it technically not exist yet, so it is currently nothing. or something with nothing. We can't think that far because its infinitely far. or maybe u can with the right point of view. people have a tendency to break barriers set by others.
- sorry for my drifting mind, I like to think about the concept and idea of nothing a lot. it's fun. Back to electricity!
E
why are there 2 different charges?
Because electrons have a negative charge, so if there are more electrons than protons there will be more negative charge. and if there are more protons than electrons it will have a positive charge. neutrons are neutral, they have no charge and help keep the protons from flying away from each other. the easier electrons can fly away = different levels of good conductor. if electrons can't move = bad conductor = insulator.
Why do positive and negative charges act the way they do?
https://youtu.be/n3tauzN6-Uk
apparently, the actual force of repulsion and fields deals with quantum fields and mechanics so i will study that later. (Quantum mechanics = Big scary word with lots of questions.)
What can be charged?
Anything that can have its electrons moved or grab onto electrons. / Have an imbalance leading to a positive or negative charge. - (tried asking questions, went in a complete circle from no cant to this to, technically yes you can, back to no you can't but with even less detail, so this is what I came up with.) - Because if the atom (neutral) refuses to give / give / lose electrons (strong bond) then it will not get a positive charge because it will stay balanced. and if it does not take electrons (doesn't need them) it cannot have a negative charge.
- search kept bringing up 0 charge and electrically neutral object which didn't make sense to me because a spoon is neutral, it has no charge unless it is introduced to a current. If you pick up a random spoon it's not going to zap you just like any metal without current. So, I concluded that the object needs to react to current in a way where it either gains or loses electrons.
being charged is different from being conductive?
Plastic is a non conductor, electrons dont moove verry easilly and theres a lot of protons to run into so its hard to get a current through it.
however, if you take a strong electric current it does have an effect on the plastic, while it can't conduct electricity verry well, electricity can still melt it, for electricity to work we need friction, which creates heat= the charge stays in that area of the plastic and because there's so much friction it falls apart and there's nowhere for the charge to go? doesn't that mean we forced it to move creating moor friction and that's why just the part of the plastic exposed to the electricity melts?
if that is true then plastic can be charged, it just melts once it is because it is a bad conductor.
Is charge considered mater?
No, charge is a reaction from objects, not the object itself. an object can be charged but that is a property of the mater.
(I got confused on the wording, a noun is a thing in a place in time, so don't nouns describe matter? charge is a thing in a place, so it is a noun?)
not all nouns are mater, like soundwaves. a sound wave is a thing, so it is a noun, but it is not matter. (also like thoughts, a thought is a noun too.)
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Here is the video I am watching. It has a freshman to senior flow sheet for courses in electrical engineering.
4 Years of Electrical Engineering in 26 Minutes - YouTube
based on this video for beginning electrical engineering courses you mainly want to focus on math subjects and science to gain basic knowledge.
next you want to take the next level up of the same math, along with programing and systems based classes.
there is a lot of terminology I do not understand so I will go into that. first so I can understand what is going on.
book they mention called: statistical consequences of fat tales.
Using courses from free online schooling Websight known as khan academy and there electrical engineering course I will explain past notes I have made.
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