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-1 votes
2 answers
109 views

Could we explain how a motor works with special relativity?

At the place where I work there are lots of motors and generators. Could I explain to an apprentice how a motor and/or a generator works with arguments based solely on special relativity?
Larsa se eidaklaxtarsa's user avatar
-1 votes
1 answer
310 views

Derivation of self-inductance of a long wire: Is my interpretation correct?

Derivation of self-inductance of a long wire Flux linkage inside of a conductor Flux linkage inside conductor So many people asked the same question, yet no satisfactory answers. I tried to develop my ...
İbrahim İpek's user avatar
-1 votes
2 answers
152 views

Steady state , Ohms law, Inductor circuit

$B_{\phi} = LI$ $\frac{\partial B_{\phi}}{\partial t} = L \frac{dI}{dt}$ $\epsilon = -L \frac{dI}{dt}$ Now, Let's say that my circuit has a battery, a wire and a certain inductance. The battery has a ...
jensen paull's user avatar
  • 6,636
-1 votes
1 answer
396 views

Product of Capacitance and inductance in parallel plates

I was solving this problem: I was asked to find the capacitance per unit length, which I did (in cgs units) $$C=\frac{w}{4\pi h}$$ and to find the inductance per unit length $$L=\frac{4\pi h}{c^{2}...
Yizhar Amir's user avatar
-1 votes
1 answer
195 views

Square loop moving into an homogenous magnetic field. How do i define the area as a function of time? [closed]

Looking through some old exams i found this problem where im supposed to derive an expression for the induced emf, ${\mathcal {E}}$(t), of a square loop moving into an homogenous magnetic field and ...
Ornate's user avatar
  • 33
-1 votes
1 answer
354 views

Can Copper wires be used to increase linear acceleration of a ball within a circular pipe?

Imagine you have a metal ball within a pipe and copper wire wrapped around the pipe , wherein the pipe is connected circular. Can I pass current through the copper wire such that the linear ...
Sceptile Plays's user avatar
-2 votes
2 answers
230 views

An *actual*, relativistic, intuitive explanation for inductance…?

I searched high and low, and as far as I can tell, after years, there is not a single video or site that actually explains inductance in an intuitive way. I mean an actual explanation. Not “Faraday’s ...
user avatar
-2 votes
2 answers
208 views

Why inductor voltage at $t=0$ is equal to source voltage? [closed]

I am sorry to ask this elementary, fundamental and most repeatedly asked but i have some doubts that were not cleared during my undergrad days. I will try to present my doubts in following points. 1 ...
K132362 Syed Taha Ahmed's user avatar
-2 votes
3 answers
1k views

Why does current reduce in step up transformer?

I have researched about it and found the laws everywhere as if lawyers have written those answer. I know the law of conservation of energy, but I don't want to think like a lawyer, I want to think ...
Yogie's user avatar
  • 129

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