Update 2022-02-09 22:41
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<!-- 2022-02-09 Wed 07:31 -->
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<!-- 2022-02-09 Wed 22:40 -->
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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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@@ -408,17 +408,13 @@ Table of contents
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<li>
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<a href="./ems_es_ep_fp.html#ems_es_ep_fp">Field in terms of the potential</a><span class="headline-id">ems.es.ep.fp</span>
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</li>
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<li>
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<a href="./ems_es_ep_c.html#ems_es_ep_c">Comments on the Electrostatic Potential</a><span class="headline-id">ems.es.ep.c</span>
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</li>
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<li>
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<a href="./ems_es_ep_ex.html#ems_es_ep_ex">Example calculations for the potential</a><span class="headline-id">ems.es.ep.ex</span>
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</li>
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<li>
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<a href="./ems_es_ep_PL.html#ems_es_ep_PL">The Poisson Equation and the Laplace Equation</a><span class="headline-id">ems.es.ep.PL</span>
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<a href="./ems_es_ep_PL.html#ems_es_ep_PL">Poisson's and Laplace's Equations</a><span class="headline-id">ems.es.ep.PL</span>
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</li>
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<li>
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@@ -430,29 +426,8 @@ Table of contents
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</details>
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</li>
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<li>
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<details>
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<summary>
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<a href="./ems_es_e.html#ems_es_e">Electrostatic Energy from the Potential</a><span class="headline-id">ems.es.e</span>
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</summary>
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<ul>
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<li>
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<a href="./ems_es_e_pcd.html#ems_es_e_pcd">The Energy of a Point Charge Distribution</a><span class="headline-id">ems.es.e.pcd</span>
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</li>
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<li>
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<a href="./ems_es_e_ccd.html#ems_es_e_ccd">The Energy of a Continuous Charge Distribution</a><span class="headline-id">ems.es.e.ccd</span>
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</li>
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<li>
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<a href="./ems_es_e_c.html#ems_es_e_c">Comments on Electrostatic Energy</a><span class="headline-id">ems.es.e.c</span>
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</li>
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</ul>
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</details>
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</li>
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<li>
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@@ -1627,11 +1602,18 @@ Charge in hollow conductor.
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Induced surface charges on inside and outside surfaces.
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</p>
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<div class="example div" id="org4168d43">
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<div class="example div" id="orgc7c5c05">
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<p>
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<b>Field outside spherical conductor with irregular cavity</b>
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</p>
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<p>
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Consider a spherical conductor centered at the origin, and having
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an irregularly-shaped cavity containing a point charge \(q\) somewhere inside.
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What is the field outside the sphere ?
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</p>
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<p>
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<b>Example 2.9</b>: field outside a spherical conductor centered at origin, having
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a cavity of a weird shape with a point charge \(q\) somewhere inside. What is the field
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outside the sphere ?
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Answer: ${\bf E} = \frac{1}{4\pi\varepsilon_0} q \frac{\hat{\bf r}}{r^2}.$
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</p>
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@@ -1663,7 +1645,7 @@ 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: 2022-02-09 Wed 07:31</p>
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<p class="date">Created: 2022-02-09 Wed 22:40</p>
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<p class="validation"></p>
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</div>
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