Energy Stored in Capacitor

Energy Stored in Capacitor

### Formula

$$U=\frac{1}{2}CV^2$$

### Alternative Forms

$$U=\frac{Q^2}{2C}$$

$$U=\frac12QV$$

### Terminologies

- U → Stored energy.

- C → Capacitance.

- V → Potential difference.

- Q → Charge.

### SI Unit

$$Joule(J)$$

### Usage

- Used in capacitor energy problems.