$$E=k\ \frac{q}{\xi\ r^2}$$  

$$E=k\ \frac{q^2}{\xi\ r^2}$$

$$E=k\ \frac{q_1q_2}{\xi\ r^2}$$

$$E=k\ \frac{q}{\xi\ r^{ }}$$

$$\phi=\frac{E_п}{q}$$  

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

$$\phi=E_пq$$

$$\phi=Uq$$

$$U=\frac{A}{q}$$  

$$U=\frac{E}{d}$$  

$$U=Ed$$  

$$U=Aq$$  

$$C=\frac{q}{U}$$  

$$C=\frac{U}{q}$$  

$$C=qU$$  

$$C=\frac{\epsilon\epsilon_0S}{d}$$  

$$C=\frac{\epsilon\epsilon_0d}{S}$$

$$C=\frac{\epsilon\epsilon_0S}{d^2}$$

$$C=\frac{\epsilon\epsilon_0d}{S^2}$$

$$q=Ne$$  

$$q=e^2$$  

$$q=\frac{e^2}{N}$$  

$$q=N^2e$$  

е - электрон заряды

е - электр тұрақтысы

N - электрондар саны

N - электр қуаты

$$W=qU$$  

$$W=\frac{qU}{2}$$  

$$W=\frac{q}{U}$$  

$$W=\frac{U}{q}$$  

$$W=\frac{CU^2}{2}$$  

$$W=\frac{CU}{2}$$  

$$W=\frac{U^2}{2C}$$  

$$W=\frac{q^2}{2C}$$  

$$W=\frac{qC}{2}$$  

$$W=\frac{C^2}{2q}$$  

$$A=Uq$$  

$$A=Ed$$  

$$A=\frac{U}{q}$$  

$$A=\frac{E}{d}$$