electromotive force
the energy available for conversion from nonelectric to electric form, or vice versa, per unit of charge passing through the source of the energy; the potential difference between the terminals of a source of electrical energy: expressed in volts. Abbreviations: emf, EMF, E.M.F., e.m.f.
Origin of electromotive force
1- Also called pressure.
Words Nearby electromotive force
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use electromotive force in a sentence
Rusty lead, so to speak, so connected with bright lead, has a high electromotive force.
Steam Steel and Electricity | James W. SteeleNow whenever an electric conductor cuts magnetic lines of force an electromotive force is induced in the conductor.
Physics | Willis Eugene TowerIf the coils are rotated in a magnetic field, each will produce an electromotive force.
Physics | Willis Eugene Towerelectromotive force, the name given to the force tending to produce a flow of electricity in an electric circuit.
The New Gresham Encyclopedia | VariousFor a discussion of the electromotive force produced by thermo-electric action, see Thermo-electricity.
The New Gresham Encyclopedia | Various
British Dictionary definitions for electromotive force
physics
a source of energy that can cause a current to flow in an electrical circuit or device
the rate at which energy is drawn from this source when unit current flows through the circuit or device, measured in volts: Abbreviation: emf, EMF Symbol: E Compare potential difference
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for electromotive force
Electric potential or voltage. Electromotive force is not really a force, but a measure of how much work would be done by moving an electric charge.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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