Update 2022-02-14 06:33
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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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<!-- 2022-02-10 Thu 08:32 -->
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<!-- 2022-02-13 Sun 21:20 -->
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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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@@ -1637,7 +1637,7 @@ M_{12} = M_{21}
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\]
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</p>
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<div class="example div" id="orgb4beaba">
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<div class="example div" id="orgc3b71d6">
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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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@@ -1687,7 +1687,7 @@ Inductance: measured in {\bf henries} (\(H\)). \(H = V s/A\).
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</p>
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<div class="example div" id="org24edf9c">
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<div class="example div" id="orgd00f4d4">
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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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@@ -1714,7 +1714,7 @@ 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="org0b14b9f">
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<div class="example div" id="org7ae308f">
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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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@@ -1738,6 +1738,8 @@ where \(\tau \equiv L/R\) is the {\bf time constant} of the circuit.
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<br><ul class="navigation-links"><li>Prev: <a href="emd_Fl_ief.html">The Induced Electric Field <small>[emd.Fl.ief]</small></a></li><li>Next: <a href="emd_Fl_e.html">Energy in Magnetic Fields <small>[emd.Fl.e]</small></a></li><li>Up: <a href="emd_Fl.html">Induction: Faraday's Law <small>[emd.Fl]</small></a></li></ul>
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<br>
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<hr>
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<div class="license">
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<a rel="license noopener" href="https://creativecommons.org/licenses/by/4.0/"
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@@ -1751,7 +1753,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
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</div>
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<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: 2022-02-10 Thu 08:32</p>
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<p class="date">Created: 2022-02-13 Sun 21:20</p>
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<p class="validation"></p>
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</div>
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