EngiRef / Electrical Engineering Formula
Electrical Power (V×I)
Electrical Power (V×I): Power equals voltage times current. A DC Circuits formula in electrical engineering. Variables P, V and I, each with SI and imperial…
DC Circuits
Specification
- Name
- Electrical Power (V×I)
- Discipline
- electrical
- Category
- DC Circuits
- LaTeX
- P = VI
- Description
- Power equals voltage times current
- Conditions
- DC or instantaneous values
- Can solve for
- P, V, I
- Tags
- power, voltage, current, watt
Variables
| Symbol | Name | Unit | Si Unit |
|---|---|---|---|
| P | Power | W | W |
| V | Voltage | V | V |
| I | Current | A | A |