Update 2022-03-22 10:53
This commit is contained in:
+11
-11
@@ -1,7 +1,7 @@
|
||||
<!DOCTYPE html>
|
||||
<html lang="en">
|
||||
<head>
|
||||
<!-- 2022-03-15 Tue 08:10 -->
|
||||
<!-- 2022-03-22 Tue 10:52 -->
|
||||
<meta charset="utf-8">
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1">
|
||||
<title>Pre-Quantum Electrodynamics</title>
|
||||
@@ -1641,14 +1641,14 @@ so
|
||||
\]
|
||||
and we can write the mutual inductance as the <b>Neumann formula</b>,
|
||||
</p>
|
||||
<div class="eqlabel" id="org554c244">
|
||||
<div class="eqlabel" id="org3ec4c18">
|
||||
<p>
|
||||
<a id="Newmann_M"></a><a href="./emd_Fl_i.html#Newmann_M"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
|
||||
<path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
|
||||
<path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
|
||||
</svg></a>
|
||||
</p>
|
||||
<div class="alteqlabels" id="orgf48cffa">
|
||||
<div class="alteqlabels" id="org7ff8d1e">
|
||||
<ul class="org-ul">
|
||||
<li>Gr (7.22)</li>
|
||||
</ul>
|
||||
@@ -1665,14 +1665,14 @@ M_{21} = \frac{\mu_0}{4\pi} \oint_{{\cal P}_1} \oint_{{\cal P}_2} \frac{d{\bf l}
|
||||
Two things:
|
||||
first, \(M_{21}\) is purely geometrical. Second,
|
||||
</p>
|
||||
<div class="eqlabel" id="org12f955a">
|
||||
<div class="eqlabel" id="orge7f5edd">
|
||||
<p>
|
||||
<a id="Msym"></a><a href="./emd_Fl_i.html#Msym"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
|
||||
<path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
|
||||
<path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
|
||||
</svg></a>
|
||||
</p>
|
||||
<div class="alteqlabels" id="orga59d4b0">
|
||||
<div class="alteqlabels" id="org54ddc77">
|
||||
<ul class="org-ul">
|
||||
<li>Gr (7.23)</li>
|
||||
</ul>
|
||||
@@ -1687,7 +1687,7 @@ M_{12} = M_{21}
|
||||
\]
|
||||
</p>
|
||||
|
||||
<div class="example div" id="orgdd5f18b">
|
||||
<div class="example div" id="org1bcebe3">
|
||||
<p>
|
||||
<b>Example: solenoid in solenoid</b>
|
||||
</p>
|
||||
@@ -1735,14 +1735,14 @@ What if we vary current in loop 1? Flux in 2 will vary. Induces EMF in loop 2:
|
||||
\]
|
||||
Changing current also induces EMF in the source loop itself:
|
||||
</p>
|
||||
<div class="eqlabel" id="org06772cd">
|
||||
<div class="eqlabel" id="orgdaaac4e">
|
||||
<p>
|
||||
<a id="PLI"></a><a href="./emd_Fl_i.html#PLI"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
|
||||
<path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
|
||||
<path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
|
||||
</svg></a>
|
||||
</p>
|
||||
<div class="alteqlabels" id="org5ce4f36">
|
||||
<div class="alteqlabels" id="orgb8faf94">
|
||||
<ul class="org-ul">
|
||||
<li>Gr (7.25)</li>
|
||||
</ul>
|
||||
@@ -1765,7 +1765,7 @@ Inductance: measured in <b>henries</b> (\(H\)). \(H = V s/A\).
|
||||
</p>
|
||||
|
||||
|
||||
<div class="example div" id="org678dce1">
|
||||
<div class="example div" id="org11544ba">
|
||||
<p>
|
||||
<b>Example: self-inductance of toroidal coil</b>
|
||||
</p>
|
||||
@@ -1804,7 +1804,7 @@ Inductance (like capacitance) is intrinsically positive. Use Lenz law.
|
||||
Think of <i>back EMF</i>.
|
||||
</p>
|
||||
|
||||
<div class="example div" id="org42aa8b9">
|
||||
<div class="example div" id="org52373ca">
|
||||
<p>
|
||||
<b>Example: circuit</b>
|
||||
</p>
|
||||
@@ -1853,7 +1853,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
|
||||
</div>
|
||||
<div id="postamble" class="status">
|
||||
<p class="author">Author: Jean-Sébastien Caux</p>
|
||||
<p class="date">Created: 2022-03-15 Tue 08:10</p>
|
||||
<p class="date">Created: 2022-03-22 Tue 10:52</p>
|
||||
<p class="validation"></p>
|
||||
</div>
|
||||
|
||||
|
||||
Reference in New Issue
Block a user