# Pre-Quantum Electrodynamics
Author: Jean-Sébastien Caux

##### Principle of Superposition
ems.es.efo.ps

- FLS II 1-1
- Gr 2.1.1
- PM 1.4

Electrical forces obey the principle of superposition: the electrostatic interaction between two charged particles is left entirely unaffected by the presence of other charges. The total force on a test charge \(q_t\) generated by a number of static point charges \(q_i\), \(i = 1, ..., n\) is thus

\[ {\bf F}_t = \sum_{i=1}^n {\bf F}_{t \leftarrow i} \]

Author: Jean-Sébastien Caux

Created: 2022-02-08 Tue 06:55

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