Named after James Watt, the Watt is the unit of power, abbreviation W.

One Watt is one Joule per Second.

Approximately One Watt is required to raise a mass of 1kg by 10cm in one second.

One Volt dropped across a resistance of one Ohm produces one Watt of power.

P = VI Power (Watts) = Voltage (Volts) * Current (Amps)

See Also

Useful Equations

• Discussion