Self Inductance of Inductors & Coils - Solenoids & Toroids - Physics

This physics video tutorial provides a basic introduction into the self inductance of inductors and coils such as solenoids and toroids. This video explains how to calculate the induced emf generated when the current is changing inside of an inductor. It also explains how to calculate the self inductance of a solenoid and the inductance of a toroidal solenoid. This video contains plenty of examples and practice problems.
Magnetism - Review:
• Magnetism, Magnetic Fi...
Faraday's Law of Electromagnetic Induction:
• Faraday's Law of Elect...
Lenz's Law - Induced Current:
• Lenz's Law, Right Hand...
Induced EMF In Moving Conductor:
• Induced EMF In Moving ...
Electric Generators & Induced EMF:
• Electric Generators, I...
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Counter EMF of DC Motors:
• Back EMF & Counter EMF...
Transformers - Physics Problems:
• Transformers Physics P...
Mutual Inductance & Solenoids:
• Mutual Inductance & So...
Self-Inductance of Inductors & Coils:
• Self Inductance of Ind...
How To Make an Electromagnet:
• How To Make an Electro...
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Faraday's & Lenz's Law of Electromagnetic Induction:
• Faraday's & Lenz's Law...
Energy Stored In an Inductor:
• Energy Stored In an In...
RL Circuits - Inductors & Resistors:
• RL Circuits - Inductor...
Final Exams and Video Playlists:
www.video-tuto...
Full-Length Videos and Worksheets:
/ collections

[@TheOrganicChemistryTutor]

Final Exams and Video Playlists: www.video-tutor.net/

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[@gamesx8528]

Very clear. Thank You!

[@QuangNguyen-vg1hr]

The video is very helpful and easy to understand. Keep up your great work! Thank you so much!

[@alexkerimate]

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[@aloevera1269]

Thank you so much

[@JH-ux1re]

Thank you very much! Cleared up my confusion! Gonna have my exam this afternoon.

[@NokulungaMacu-uq8qu]

You are a darling 😊, thank you sir

[@Sammy-hl9wb]

Why is your equation for B different for each example?

[@ultifix2251]

Thanks!

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[@fiyorbahr9346]

Check your calculator friends ,he is genius teacher. JG keep up

[@gooddeedsleadto7499]

I understand it is because of some law or principle, but why voltage and current decrease when current increases, and the opposite when the current decreases?
Underlying reason?
Thsnks

[@edgar4887]

Faraday law

[@awadewa49]

You the man!!!

[@muselimulaima]

I have a question I still can't understand. Anyone to help will be helpful.
An iron of cross sectional area 800mm2 and of mean radius 170mm has two windings connected in series, one of 500 turns and the other one of 700 turns. If the relative permeability of an iron is 1200, find self-inductance of each coil and the mutual inductance , assuming that there is no leakage

[@ahmednagi7074]

thanx keep it up

[@ahmednagi7074]

conclusion the self inductance depend on the geometry of coil?

[@edgar4887]

Yes

[@PetakyahBuckley-ht5iz]

What calculator are you using because mine is giving me different answers? Can you solve the problems without the calculator? It seems pointless to use one. What’s the chance you’ll always have a scientific calculator in all situations? This stuff should be practiced by writing.

[@laxmipathak4083]

Thank.

[@Ray-tf2ps]

How do i find the length of the self inductance

[@jakefromstatefarm7419]

Length would be i/NI(b)

[@yungheehong1775]

First problem: isn't "L" supposed to be positive not negative?

[@bryanencalada9574]

That is induced voltage not inductance, and the question is asking for the magnitude so its the absolute value

[@jjdh911dexter7]

is the R in the toroidal solenoid the inner, outer, or mean radius?

[@studyroa9045]

radius

[@aryannaik435]

Mean radius

[@jesussaenz2497]

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[@kabandajamir9844]

Help us rc and lc circuit

[@BIGRIP87]

how to find inductance of EI core?

[@hhersssc2899]

When the current changes rapidly 2 A \ s, in the solenoid, due to self-induction the voltage of 0.04V is induced. Can someone do this for me pls. I dont know how to and i tried.

[@nur-ks2hp]

how you calculate L cause i get syntax error help me please

[@lilsamer3621]

there is some one who can tell me the formula of current in self inductance

[@maximillianthomas6972]

Lex Friedman?

[@albertmendoza8330]

I hate plugging numbers into formulas. Lol

[@ndumisomaphanga5801]

why aren't you verified? XD