Potential Energy of Two Charges

Potential Energy of Two Charges

### Formula

$$U=\frac{1}{4\pi\epsilon_0}\frac{q_1q_2}{r}$$

### Terminologies

- U → Electrostatic potential energy.

- q₁,q₂ → Charges.

- r → Separation.

### Conditions / Special Cases

For like charges:

$$U>0$$

For unlike charges:

$$U<0$$

### Usage

- Used in charge interaction problems.