Quantum redactiones paginae "Tensio electrica" differant
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Differentia tensionis inter duos punctos ''f'' et ''i'' definitur ut integrale lineale campi electrostatici inter hos punctos sit, prout:
::<math>V_f - V_i = - \int_i^f \vec \mathbf E_{statica} \cdot d\vec \mathbf x</math>
Sed haec formula utile est solum sub circumstantia statica in quo omnes
::<math>V(\vec \mathbf x, t) = \int \frac {\rho^'(t^')}{|\vec \mathbf x -\vec \mathbf x^'(t^')|} dV^'</math>
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