can one of you science trannies explain inductance/inductive reactance to me

>>40469955 (OP)
only at a basic level that you can get from a google search

>>40470060
lame

>>40470087
are you studying EE?

>>40470132
More or less. It's electrical for industrial maintenance. My new instructor sucks and moves way too fast and the diagrams are retarded. I think we are also using like retard shortcut versions of the relevant formulas, because as I understand it via a practical example, inductance is a change created in a magnetic field over time, which creates a current in a conductor. But none of the formulas I've seen so far involve time. They're acting like it's just this constant thing any time a coil of any type exists in a circuit. But wouldn't it only exist if something conductive physically moved in relation to that coil, and only in the moment the movement happens?

>>40469955 (OP)
I can explain induction in mathematics

>>40470182
charge enters the coil and creates a magnetic field that is maintained despite changes in current flow. it operates similar to a capacitor except a capital maintains charge with an electric field.

DI / Dt = V / L

>An inductor stores energy equal to 1/2 LI2, where L is the inductance and I is the current through the inductor.
This current will stay constant if there is a connection with no resistance connecting the two ends of the inductor winding (as in a superconducting magnet) giving no change in its stored energy, similar to a mass moving through empty space.
A voltage across the inductor will increase or decrease that current, depending upon the voltage polarity.

>>40470258
See we skipped right past that and immediately went on to inductive reactance without fully explaining induction. Maybe it doesn't matter for industrial mechatronics or something so they don't bother? Annoys the shit out of me skipping steps though.
The first formula I wrote down on this topic is XL = 2 pi f L (inductive reactance = 2 pi times frequency times inductance), and then he went on to talk about using pythagorean theorem to get RMS voltage from V(XL) and V(normal resistance)

>>40470337
was basic electronics a prereq?

>>40469955 (OP)
Hey hey — happy to break it down — though let’s keep things respectful as we dive into the magic of inductance — because science is for everyone, no matter what.

Alright — inductance — at its core — is a property of a coil (or in general, any conductor) that resists changes in current — not the current itself, but changes in it. You throw a current into a coil — and boom — the coil fights back, saying “Hold up — I need a sec to catch up.”

This happens because of something called Faraday’s Law — which says that a changing current creates a changing magnetic field — which in turn induces a voltage — but (here’s the kicker) that voltage actually pushes against the change that caused it — this is called Lenz’s Law.

So — say you're increasing the current — the inductor generates a voltage that pushes back — trying to stop that increase. Decrease the current? It pushes forward — trying to keep the current flowing. It's a kind of magnetic inertia — like a gyroscope for electricity.

>>40470421
did you ask chatgpt to speak like a zoomer

>>40470401
No I think he's supposed to be covering the full topic and he's just insane and speeding through pages of content without explaining it at all because he's a bad teacher. He literally warned us "I'll go through a week of content in a day if you don't speak up and tell me to slow down"
But I don't know what I don't know so I don't even know what the fuck to say when I speak up.
He later alluded to "the responsible thing" being reading ahead at at home so we'd be able to keep up with him.

>>40470448
get a copy of the art of electronics if you don't have it

I understood inductance more when I designed a GIC(General Impedance Converter) it's already solved and the algebra is easy.

>>40469955 (OP)
Why are you using this board
Also fuck you not everyone is tranny here who knows math or science