electromotive force


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Related to electromotive force: electromotive force series

electromotive force

n. Abbr. EMF
The energy per unit charge that is converted reversibly from chemical, mechanical, or other forms of energy into electrical energy in a battery or dynamo.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

electromotive force

n
(General Physics) physics
a. a source of energy that can cause a current to flow in an electrical circuit or device
b. the rate at which energy is drawn from this source when unit current flows through the circuit or device, measured in volts. Abbreviation: emf or EMF Symbol: E Compare potential difference
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

elec′tromo′tive force′


n.
the energy available for conversion from nonelectric to electric form, or vice versa, per unit of charge passing through the source; the potential difference between the terminals of a source of electrical energy: expressed in volts. Abbr.: emf
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

electromotive force

1. The force that makes electrons move to produce an electric current. Electromotive force is supplied by a power source, such as a battery or dynamo. It is measured in volts.
2. The difference in the potential energies of a cathode and anode immersed in the same solution of electrolytes or connected in another manner.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.electromotive force - the rate at which energy is drawn from a source that produces a flow of electricity in a circuitelectromotive force - the rate at which energy is drawn from a source that produces a flow of electricity in a circuit; expressed in volts
electrical phenomenon - a physical phenomenon involving electricity
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

electromotive force

n (Phys) → forza elettromotrice
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
References in periodicals archive ?
The electromotive force was measured on the outside ends of the ceramic-based composite bar and the aluminium chip, which were at room temperature.
He was then able to describe magnetic force, electric currents, electromotive force, electric elasticity, electric resistance, total currents, free electricity and continuity.
We determine the amplitude of the magnetic field strength on the upper line of the back of the stator core, then we find the values of the magnetic flux linked to the contour of the fastening elements and the back surface, and determine the electromotive forces induced by it on the prisms.
The expression of the amplitude of the electromotive force is given by
The system's parameter values of PMLM are given as that in [22], i.e., the mass m = 5.4 kg, the resistance R = 16.8 ohms, the force constant [k.sub.f] = 130 N/A, and the back electromotive force [k.sub.e] = 123 V/m/s.
(c) Signal interference: the bearing section of the turbodrill is made of a metal material so that it can generate the induced electromotive force by cutting the magnetic induction lines.
As discussed in Section 2.3 the electrode material and the respective electromotive force potentials control the voltage of any battery cell.
where U is armature control voltage, E is back electromotive force, I is armature current, R is armature windings resistance, and L is armature inductance.
Depending on the theoretical analysis of the SRRs proposed in [30, 31], magnetic resonance is motivated by the electromotive force around the circumference of the split rings.
Field-weakening mode manages the phase advance between the current and the back electromotive force (BEMF) of the motor in accordance with the power requirement.