Page Content 1. UT Extension serves the citizens of Fayette County with educational programs in the areas of Agriculture, Family and Consumer Sciences, Community Resource Development, and 4-H Youth Development.
A large globe light, like around a vanity mirror, that is rated at 25 watts consumes exactly the same amount of energy as a small refrigerator light bulb also rated at 25 watts..  Size as a power ratingThe wattage rating of a light bulb is directly proportional to energy consumed by that light bulb. A light bulb rated at 60 watts consumes 50% more energy than a 40 watt light bulb.
The environment temperature, as well as the number of times the battery is fully discharged and recharged, also affects the battery's performance. The battery pack's discharge rate on a notebook computer is directly affected by the power management settings and what types of applications are running. For example, processor-intensive applications for graphics and animation, gaming, and video playback consume more power than general desktop applications.