Elektrostatyka

$F = k \frac{q_{1} \cdot q_{2}}{r^{2}}$ $k = \frac{1}{4 π \cdot ε_{0}}$

$\vec{E} = \frac{\vec{F}}{q}$

$U = \frac{W}{q}$

$U = E \cdot d$

$C = \frac{Q}{U}$ $C = ε_{r} ε_{0} \cdot \frac{S}{d}$

$W = \frac{1}{2} Q \cdot U = \frac{1}{2} C \cdot U^{2}$