Update 2022-02-14 06:33

This commit is contained in:
Jean-Sébastien
2022-02-14 06:33:37 +01:00
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<title>Pre-Quantum Electrodynamics</title>
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<p>
Force on a point charge \(q\) moving at velocity \({\bf v}\) in magnetic field \({\bf B}\):
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\[
{\bf F}_{mag} = q {\bf v} \times {\bf B}
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<p>
Units of \({\bf B}\): \(N/(A~m)\) is called a {\bf tesla} (symbol: \(T\)). Total electromagnetic force:
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\[
{\bf F}_{mag} = q ({\bf E} + {\bf v} \times {\bf B})
@@ -1622,7 +1622,7 @@ Units of \({\bf B}\): \(N/(A~m)\) is called a {\bf tesla} (symbol: \(T\)). Tot
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\paragraph{Example 5.1:} cyclotron motion. Field \({\bf B}\) pointing into page. Charge \(q &gt; 0\) moves
counterclockwise with speed \(v\) on a circle of radius \(R\). Magnetic force points inwards.
@@ -1640,7 +1640,7 @@ The {\bf cyclotron frequency} is
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\paragraph{Example 5.2:} cycloid motion. Recommendation: {\it look at it!!}
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@@ -1661,6 +1661,8 @@ dW_{mag} = {\bf F}_{mag} \cdot d{\bf l} = q ({\bf v} \times {\bf B}) \times {\bf
<br><ul class="navigation-links"><li>Prev:&nbsp;<a href="ems_ms_lf.html">Charges in Motion: the Lorentz Force Law&emsp;<small>[ems.ms.lf]</small></a></li><li>Next:&nbsp;<a href="ems_ms_lf_c.html">Currents&emsp;<small>[ems.ms.lf.c]</small></a></li><li>Up:&nbsp;<a href="ems_ms_lf.html">Charges in Motion: the Lorentz Force Law&emsp;<small>[ems.ms.lf]</small></a></li></ul>
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<div class="license">
<a rel="license noopener" href="https://creativecommons.org/licenses/by/4.0/"
@@ -1674,7 +1676,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
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<div id="postamble" class="status">
<p class="author">Author: Jean-Sébastien Caux</p>
<p class="date">Created: 2022-02-10 Thu 08:32</p>
<p class="date">Created: 2022-02-13 Sun 21:20</p>
<p class="validation"></p>
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