E has various meanings in the Physics category. Discover the full forms, definitions, and usage contexts of E in Physics.
The ratio of output to input. Volumetric efficiency of a pump is the actual output, in gpm, divided by the theoretical or design output. Means of getting the same or better service while using fewer resources. OR The efficiency of an electrical machine or apparatus is the ratio of its useful power output to its total power input. Efficiency is the percentage of the input power that is actually converted to work output from the motor shaft.
PhysicsDesignation generally assigned 10 intermetallic, metal-metalloid and metal-nonmetallic compounds found in ferrous alloy systems, for example, Fe2Mo2, FeSi, and Fe3P.
PhysicsLast updated: