Update 2022-02-08 17:21
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@@ -1,7 +1,7 @@
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<!-- 2022-02-08 Tue 06:55 -->
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<!-- 2022-02-08 Tue 17:21 -->
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>Pre-Quantum Electrodynamics</title>
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@@ -272,6 +272,10 @@ Table of contents
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</summary>
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<ul>
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<li>
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<a href="./in_t_l.html#in_t_l">Section and equation labelling</a><span class="headline-id">in.t.l</span>
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</li>
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<li>
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<a href="./in_t_c.html#in_t_c">Contextual colors</a><span class="headline-id">in.t.c</span>
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</li>
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@@ -736,7 +740,7 @@ Table of contents
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</li>
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<li>
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<a href="./emsm_esm_d.html#emsm_esm_d">Dielectrics</a><span class="headline-id">emsm.esm.d</span>
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<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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</li>
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<li>
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@@ -1658,7 +1662,7 @@ M_{12} = M_{21}
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\]
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</p>
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<div class="example div" id="orgc2d0a32">
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<div class="example div" id="org105c83a">
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<p>
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\paragraph{Example 7.10:}
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short solenoid (length \(l\), radius \(a\), \(n_1\) turns per unit length) lies concentrically inside
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@@ -1708,7 +1712,7 @@ Inductance: measured in {\bf henries} (\(H\)). \(H = V s/A\).
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</p>
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<div class="example div" id="org7f4b3fa">
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<div class="example div" id="orgfde0fbc">
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<p>
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\paragraph{Example 7.11:} find self-inductance of toroidal coil with
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rectangular cross-section (inner radius \(a\), outer radius \(b\), height \(h\))
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@@ -1735,7 +1739,7 @@ Total flux: \(N\) times this, so self-inductance is
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Inductance (like capacitance) is intrinsically positive. Use Lenz law. Think of {\bf back EMF}.
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</p>
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<div class="example div" id="org37841ae">
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<div class="example div" id="org88909b4">
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<p>
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\paragraph{Example 7.12:} circuit with inductance \(L\), resistor \(R\) and battery \({\cal E}_0\).
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What is the current ?
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@@ -1761,7 +1765,7 @@ where \(\tau \equiv L/R\) is the {\bf time constant} of the circuit.
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<hr><div id="postamble" class="status">
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<p class="author">Author: Jean-Sébastien Caux</p>
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<p class="date">Created: 2022-02-08 Tue 06:55</p>
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<p class="date">Created: 2022-02-08 Tue 17:21</p>
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<p class="validation"><a href="https://validator.w3.org/check?uri=referer">Validate</a></p>
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</div>
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