# difference between power consumption and power dissipation

#### aniket07

Joined Jan 8, 2011
14
what is the difference between power consumption and power dissipation in general???

Joined Jul 7, 2009
1,583
There's probably no agreed-upon formal definitions. Informally, power consumption would mean the total power consumption of a device. Power dissipation usually connotes that power that is consumed by things not related to the desired task at hand.

Example: the current in a motor's winding is used to generate a magnetic field. This requires a total power. Some of that power is dissipated in the conductor's resistance as heat, producing no useful work.