EmojiKaomoji

Electricity & Magnetism · current

Electric Power

Gives electrical power from voltage and current.

P = VI

Copy formats

Variables

P
electric powerW
V
voltageV
I
electric currentA

Alternate forms

  • P = I²R = V² / RUse with Ohm’s law for an ohmic component.

Reference details

Subject
Electricity & Magnetism
Topic
current
Plain text
P = V I

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