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Update 2022-02-10 08:34

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Jean-Sébastien
2022-02-10 08:34:34 +01:00
parent f3c2446d19
commit f8446c1405
204 changed files with 803 additions and 790 deletions
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build/ems_es_c_cap.html
+10 -5
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@@ -1,7 +1,7 @@
<!DOCTYPE html>
<html lang="en">
<head>
<!-- 2022-02-09 Wed 22:40 -->
<!-- 2022-02-10 Thu 08:32 -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Pre-Quantum Electrodynamics</title>
@@ -1619,7 +1619,7 @@ C \equiv \frac{Q}{V}
\]
</p>
<div class="example div" id="org7df55cc">
<div class="example div" id="org2b3b274">
<p>
<b>Concentric shells</b>
</p>
@@ -1631,14 +1631,19 @@ What is the capacitance of this system?
<p>
\[
V = -\int_b^a {\bf E} \cdot d{\bf l} = \frac{Q}{4\pi \varepsilon_0} (\frac{1}{a} - \frac{1}{b}), \rightarrow
V = -\int_b^a {\bf E} \cdot d{\bf l} = \frac{Q}{4\pi \varepsilon_0} (\frac{1}{a} - \frac{1}{b}),
\]
so
\[
C = \frac{Q}{V} = 4\pi \varepsilon_0 \frac{ab}{b - a}.
\]
</p>
</div>
<p>
Work to charge up capacitor: \(dW = \frac{q}{C} dq\). Integrating,
Work to charge up capacitor:
start from the differential work to add charge \(dq\) to the already-present charge \(q\):
\(dW = \frac{q}{C} dq\). Integrating,
</p>
<p>
@@ -1664,7 +1669,7 @@ 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: 2022-02-09 Wed 22:40</p>
<p class="date">Created: 2022-02-10 Thu 08:32</p>
<p class="validation"></p>
</div>