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Electrical action produced by a non-electrical source
In electromagnetism and electronics, electromotive force (emf, or EMF) or electromotance, denoted E {\displaystyle {\mathcal {E}}} , is an energy transfer
Electromotive_force
Voltage that opposes the change in current that induced it
electromechanics, the counter-electromotive force (also called counter EMF, CEMF or back EMF), is the opposing electromotive force (EMF) caused by a changing
Counter-electromotive_force
Charge transfer due to contact or sliding
needed to understand how the triboelectric effect can generate an electromotive force. Generally, increased humidity (water in the air) leads to a decrease
Triboelectric_effect
Force acting on charged particles in electric and magnetic fields
Variations on the force law describe the magnetic force on a current-carrying wire (sometimes called Laplace force), and the electromotive force in a wire loop
Lorentz_force
Concept in physics
magnetomotive force was coined by Henry Augustus Rowland in 1880. Rowland intended this to indicate a direct analogy with electromotive force. The idea of
Magnetomotive_force
First electrical battery that could continuously provide an electric current to a circuit
by cloth or cardboard soaked in brine, which increased the total electromotive force. When the top and bottom contacts were connected by a wire, an electric
Voltaic_pile
Production of voltage by a varying magnetic field
Electromagnetic induction or magnetic induction is the production of an electromotive force (emf) across an electrical conductor in a changing magnetic field
Electromagnetic_induction
Basic law of electromagnetism
Faraday's flux rule, or the Faraday–Lenz law, which relates the electromotive force (emf) around a closed conducting loop to the time rate of change
Faraday's_law_of_induction
Difference in electric potential between two points in space
the build-up of electric charge (e.g., a capacitor), and from an electromotive force (e.g., electromagnetic induction in a generator). On a macroscopic
Voltage
SI derived unit of voltage
electric potential, electric potential difference (voltage), and electromotive force in the International System of Units (SI). One volt is defined as
Volt
Gradient of electrochemical potential, usually for an ion that can move across a membrane
across the membrane, then the difference in electric potential generates a force that drives ion diffusion until the charges are balanced on both sides of
Electrochemical_gradient
Electromotive force of a half reaction cell versus standard hydrogen electrode
the IUPAC "Gold Book" defines as "the value of the standard emf (electromotive force) of a cell in which molecular hydrogen under standard pressure is
Standard_electrode_potential
Surface integral of the magnetic field
magnetic flux passing through a loop of conductive wire will cause an electromotive force (emf), and therefore an electric current, in the loop. The relationship
Magnetic_flux
Type of electric motor
well as of permanent magnet motors. Back electromotive force (EMF) is also known as the counter-electromotive force. It is the voltage that occurs in electric
Permanent_magnet_motor
Theorem in electrical circuit analysis
imagine that we attach, in series with impedance Ze, a source with electromotive force E equal to Vθ but directed to oppose Vθ, as shown in Figure 2b. No
Thévenin's_theorem
Law of electrical current and voltage
state, the electromotive force is proportional to the current produced. "That is, that the resistance, the ratio of the applied electromotive force (or voltage)
Ohm's_law
Physical quantity in electromagnetism
the nature of the body, and on the electromotive force so that if h is the displacement, R the electromotive force, and E a coefficient depending on the
Displacement_current_density
Fundamental interaction between charged particles
electromagnetic fields. The electromagnetic force is one of the four fundamental forces of nature. It is the dominant force in the interactions of atoms and molecules
Electromagnetism
name, that is: Electromotive force = Current × Resistance Ohm brought into order a host of puzzling facts connecting electromotive force and electric current
History of electromagnetic theory
History_of_electromagnetic_theory
Assemblage of connected electrical elements
active source. An active network contains one or more sources of electromotive force. Practical examples of such sources include a battery or a generator
Electrical_network
Electromagnetic opposition to change
_{\mathbf {B} }}{\mathrm {d} t}},} which indicates that the induced electromotive force E {\displaystyle {\mathcal {E}}} and the rate of change in magnetic
Lenz's_law
angular impulse by Maxwell). E is called the electromotive force by Maxwell. The term electromotive force is nowadays used for voltage, but it is clear
History of Maxwell's equations
History_of_Maxwell's_equations
SI derived unit of magnetic flux
the loop. A change in flux of one weber per second will induce an electromotive force of one volt (produce an electric potential difference of one volt
Weber_(unit)
Property of electrical conductors
induction, any change in magnetic field through a circuit induces an electromotive force (EMF) (voltage) in the conductors, a process known as electromagnetic
Inductance
Measure of the level of acidity or basicity of an aqueous solution
solution of known hydrogen ion activity and the electromotive force, ES, is measured. Then the electromotive force, EX, of the same cell containing the solution
PH
Loops of electric current induced within conductors by a changing magnetic field
turn, induces a circular electromotive force (emf) in the sheet, in accordance with Faraday's law of induction, exerting a force on the electrons in the
Eddy_current
of the two metals is at a higher temperature than the other, an electromotive force is created in a specific polarity. An example of this is in the case
Sources_of_electrical_energy
Electric current generation from light
by the built-in potential (Galvani potential). This generates an electromotive force and an electric current, and thus some of the light energy is converted
Photovoltaic_effect
Electrochemical device
Galvani incorrectly thought the source of electricity (or source of electromotive force (emf), or seat of emf) was in the animal, Volta incorrectly thought
Galvanic_cell
kinematic viscosity, electric current, electric charge, electric dipole, electromotive force (or electric potential difference), electrical resistance, capacitance
List_of_conversion_factors
1865 physics paper by James Maxwell
the force per unit charge (called the "electromotive force" by Maxwell, not to be confused with the scalar quantity that is now called electromotive force;
A Dynamical Theory of the Electromagnetic Field
A_Dynamical_Theory_of_the_Electromagnetic_Field
Cylindrical battery size
type Power source Working principle Electrochemical reactions, Electromotive force First produced 1994 Pin names Anode and Cathode Electronic symbol
18650_battery
Physical law
magnetostatics, Ampère's force law describes the force of attraction or repulsion between two current-carrying wires. The physical origin of this force is that each
Ampère's_force_law
Electrical generator that produces direct current with the use of a commutator
Michael Faraday. The principle, later called Faraday's law, is that an electromotive force is generated in an electrical conductor which encircles a varying
Dynamo
Apparent paradox with Faraday's law of induction
classes: Faraday's law appears to predict that there will be zero electromotive force (EMF) but there is a non-zero EMF. Faraday's law appears to predict
Faraday_paradox
Branch of theoretical physics
J. Hunt. The electromagnetic field exerts the following force (often called the Lorentz force) on charged particles: F = q ( E + v × B ) {\displaystyle
Classical_electromagnetism
Type of direct current electrical generator
from the Lorentz force on the free charges in the disk. The motion is azimuthal and the field is axial, so the electromotive force is radial. The electrical
Homopolar_generator
Device to couple energy between circuits
magnetic flux in the transformer's core, which induces a varying electromotive force (EMF) across any other coils wound around the same core. Electrical
Transformer
Flow of electric charge
currents. When a changing magnetic field is applied to a conductor, an electromotive force (EMF) is induced, which starts an electric current, when there is
Electric_current
Direct conversion of temperature differences to electric voltage and vice versa
their Seebeck coefficients. The Seebeck effect is the emergence of electromotive force (EMF) that develops across two points of an electrically conducting
Thermoelectric_effect
Internally commutated electric motor
a DC motor is turned by an external force, the motor will act like a generator and produce an Electromotive force (EMF). During normal operation, the
Brushed_DC_electric_motor
Type of electrochemical cell
for the contemporary definition of the volt, which is the unit of electromotive force in the International System of Units. The definitions of electrical
Daniell_cell
Object with trapped electrical charge
dictionary. Oliver Heaviside Corona wire Telephone Electret microphone Electromotive force Tip ring sleeve Ferroelectricity Heaviside, Oliver (1894). Electrical
Electret
Closed loop path containing a magnetic flux
Similar to the way that electromotive force (EMF) drives a current of electrical charge in electrical circuits, magnetomotive force (MMF) 'drives' magnetic
Magnetic_circuit
Device converting mechanical into electrical energy
needed] A conductor moving relative to a magnetic field develops an electromotive force (EMF) in it (Faraday's Law). This EMF reverses its polarity when
Alternator
Mnemonic for 3D vectors orientations and rotations
Electric Currents. Fleming described the orientation of the induced electromotive force by referencing the motion of the conductor and the direction of the
Right-hand_rule
SI derived unit of electric charge
Electrotechnical Commission (IEC), approved the volt as the unit for electromotive force, the ampere as the unit for electric current, and the coulomb as
Coulomb
Phenomena that occur as a result of alternating current
voltage. This happens because in an inductive load, it is the induced electromotive force that causes the current to flow. Note that in the definition above
Leading_and_lagging_current
Power-producing component of an electric machine
machine or force in a linear machine. The second role is to generate an electromotive force (EMF). In the armature, an electromotive force is created
Armature_(electrical)
Property of space that quantifies the magnetic influence at a given location
}{\mathrm {d} t}}\,,} where E {\displaystyle {\mathcal {E}}} is the electromotive force (or EMF, the voltage generated around a closed loop) and Φ is the
Magnetic_field
Force to transfer electrons between metals
Contact tension (also known as the contact electromotive force) is a force suggested by Alessandro Volta in 1800 to explain how electricity is generated
Contact_tension
Passive two-terminal electrical component that stores energy in its magnetic field
through the coil changes, the time-varying magnetic field induces an electromotive force (emf), or voltage, in the conductor, described by Faraday's law of
Inductor
Modern form of the metric system
"voltage", "tension" or "electromotive force". Ohm's law: 1 Ω = 1 V/A from the relationship E = I × R, where E is electromotive force or voltage (unit: volt)
International_System_of_Units
Fundamental physical law of electromagnetism
of force between two electrically charged particles at rest. This electric force is conventionally called the electrostatic force or Coulomb force. Although
Coulomb's_law
situations where a conductor moving through a magnetic field has an electromotive force induced in it as a result (Faraday's law of induction). The purpose
Fleming's_rules
Power supply with electrochemical cells
half-cells to complete the electrical circuit. Each half-cell has an electromotive force (emf, measured in volts) relative to a standard. The net emf of the
Electric_battery
Object that has a magnetic field
invisible but is responsible for the most notable property of a magnet: a force that pulls on other ferromagnetic materials, such as iron, steel, nickel
Magnet
Italian chemist and physicist (1745–1827)
he discovered the electrochemical series, and the law that the electromotive force (emf) of a galvanic cell, consisting of a pair of metal electrodes
Alessandro_Volta
preferred realization of the international volt was in terms of the electromotive force of a Weston cell at 20 °C (1.0184 Vint), as this type of cell has
International System of Electrical and Magnetic Units
International_System_of_Electrical_and_Magnetic_Units
Mathematical concept applicable to physics
the electromotive force created in that wire. The direction is such that if current is allowed to pass through the wire, the electromotive force will
Flux
Impedance of a linear circuit's Thévenin representation
Internal resistance model of a source of voltage, where ε is the electromotive force of the source, R is the load resistance, V is the voltage drop across
Internal_resistance
Material property
electric circuits) and the definition of magnetomotive force (magnetic analogue of electromotive force): F = Φ B R = N I {\displaystyle {\mathcal {F}}=\Phi
Permeance
Electric and magnetic fields produced by moving charged objects
electromagnetic field is described by Maxwell's equations and the Lorentz force law. Maxwell's equations detail how the electric field converges towards
Electromagnetic_field
Magnetic phenomenon
axle were pressed spring contacts to take off the currents. The electromotive-force, acting at right angles to the motion, and to the lines of the magnetic
Arago's_rotations
American physicist (1881–1948)
1080/14786440308637231. Tolman, R. C.; Stewart, T. D. (1916). "The electromotive force produced by the acceleration of metals". Physical Review. 8 (2):
Richard_C._Tolman
SI unit of inductance
current that is changing at one ampere per second results in an electromotive force of one volt across the inductor: V ( t ) = L d I d t , {\displaystyle
Henry_(unit)
Topics referred to by the same term
the free dictionary. Volt (symbol V) is the SI derived unit for electromotive force and potential difference, named after Alessandro Volta. Volt or Volts
Volt_(disambiguation)
Type of potential in electrodynamics
density Direct current Electric current Electric power Electrolysis Electromotive force Impedance Inductance Joule heating Kirchhoff's laws Network analysis
Retarded_potential
SI base unit of electric current
practice the unit was maintained via Ohm's law from the units of electromotive force and resistance, the volt and the ohm, since the latter two could
Ampere
SI derived unit of electrical resistance
current of one ampere (A), the conductor not being the seat of any electromotive force. Ω = V A = 1 S = W A 2 = V 2 W = s F = H s = W b C = J ⋅ s C 2 =
Ohm
Class of physical phenomena
chromium, have a more complex relationship with a magnetic field.[vague] The force of a magnet on paramagnetic, diamagnetic, and antiferromagnetic materials
Magnetism
Topics referred to by the same term
emitting sound Voltage source, any device or system that produces an electromotive force between its terminals Source (command), a UNIX command to execute
Source
Sudden flow of electric current between two electrically charged objects by contact
density Direct current Electric current Electric power Electrolysis Electromotive force Impedance Inductance Joule heating Kirchhoff's laws Network analysis
Electrostatic_discharge
Purported energy generator
device's potential may rest in its atypical manipulation of the back electromotive force (back EMF). A more detailed description of the device may be found
Perepiteia
SI unit of electric capacitance
units of resistance: the "volt" is approximately 108 C.G.S. units of electromotive force: and the "farad" is approximately 1/109 of the C.G.S. unit of capacity
Farad
meter squared per second (m2/s) neutrino ξ {\displaystyle \xi } xi electromotive force volt (V) π {\displaystyle \pi } pi 3.14159... (irrational number)
List of common physics notations
List_of_common_physics_notations
Opposition to the passage of an electric current
the resistor and the other), not the voltage itself, provides the driving force pushing current through a resistor. In hydraulics, it is similar: the pressure
Electrical resistance and conductance
Electrical_resistance_and_conductance
Branch of physical chemistry
organic acids. Walther Hermann Nernst developed the theory of the electromotive force of the voltaic cell in 1888. In 1889, he showed how the characteristics
Electrochemistry
Resistance to magnetic flux
analysis of magnetic circuits. It is defined as the ratio of magnetomotive force (mmf) to magnetic flux. It represents the opposition to magnetic flux, and
Magnetic_reluctance
Obsolete postulated medium for the propagation of light
flywheels. Using this approach to justify the electromotive force equation (the precursor of the Lorentz force equation), he derived a wave equation from
Luminiferous_aether
design, an indication that "contact tension" is not the source of electromotive force for the voltaic pile. Volta's original pile models had some technical
History_of_the_battery
Electrical circuit coupling using induction
by Ampere's circuital law. The changing magnetic field induces an electromotive force (EMF) voltage in the second wire by Faraday's law of induction. The
Inductive_coupling
electromagnetic wave equation electromagnetism electromechanics electromotive force ( E {\displaystyle {\mathcal {E}}} ) The electrical intensity or
Glossary_of_physics
Physical phenomenon in electromagnetic field theory
to the special theory of relativity was the conviction that the electromotive force acting on a body in motion in a magnetic field was nothing else but
Relativistic_electromagnetism
Device used to suppress some phenomenon
the sudden interruption of current flow leads to a large counter-electromotive force: a rise in voltage across the current switching device that opposes
Snubber
Technique in chemistry and manufacturing
density Direct current Electric current Electric power Electrolysis Electromotive force Impedance Inductance Joule heating Kirchhoff's laws Network analysis
Electrolysis
Electromotive force of a cell built of two electrodes
Electromotive force of a cell built of two electrodes
Electrode_potential
French physicist (1736–1806)
what is now called Coulomb's law, the description of the electrostatic force of attraction and repulsion. He also did important work on friction, and
Charles-Augustin_de_Coulomb
Object or material which allows the flow of electric charge with little energy loss
density Direct current Electric current Electric power Electrolysis Electromotive force Impedance Inductance Joule heating Kirchhoff's laws Network analysis
Electrical_conductor
Method to produce electricity from solar radiation
the Greek φῶς (phōs) meaning "light", and from "volt", the unit of electromotive force, the volt, which in turn comes from the last name of the Italian
Photovoltaics
Study of still or slow electric charges
operation. Coulomb's law states that: The magnitude of the electrostatic force of attraction or repulsion between two point charges is directly proportional
Electrostatics
Amount of charge flowing through a unit cross-sectional area per unit time
density Direct current Electric current Electric power Electrolysis Electromotive force Impedance Inductance Joule heating Kirchhoff's laws Network analysis
Current_density
Adages and sayings named after a person
induction: a magnetic field changing in time creates a proportional electromotive force. Named for Michael Faraday, based on his work in 1831. Faraday's
List_of_eponymous_laws
Device or system that exhibits resonance
density Direct current Electric current Electric power Electrolysis Electromotive force Impedance Inductance Joule heating Kirchhoff's laws Network analysis
Resonator
Concept in circuit analysis
The value of the open-circuit voltage of a transducer equals its electromotive force (emf), which is the maximum potential difference it can produce when
Open-circuit_voltage
Machine that converts electrical energy into mechanical energy
75–80% efficient. The BLDC motor's characteristic trapezoidal counter-electromotive force (CEMF) waveform is derived partly from the stator windings being
Electric_motor
Bodily function in response to cold and extreme fear
Chemically, in mitochondria, the proton gradient producing the proton electromotive force that is ordinarily used to synthesize ATP is instead bypassed to
Shivering
Type of rechargeable battery
decreases little until nearly the end of discharge. The maximum electromotive force offered by a Ni–Cd cell is 1.3 V. Ni–Cd batteries are made in a wide
Nickel–cadmium_battery
Line integral of the electric field
mechanics explores concepts such as force, energy, and potential. Force and potential energy are directly related. A net force acting on any object will cause
Electric_potential
Opposition to current by inductance or capacitance
another electric current to flow in the same wire – called counter-electromotive force (counter-EMF) – in a direction such as to oppose the flow of the
Electrical_reactance
ELECTROMOTIVE FORCE
ELECTROMOTIVE FORCE
Boy/Male
Sikh
The conqueror of forces, Victorious army
Boy/Male
Indian
God of force
Surname or Lastname
English
English : variant of Force.
Surname or Lastname
German, English, and Jewish (Ashkenazic)
German, English, and Jewish (Ashkenazic) : from Middle High German hamer, Yiddish hamer, a metonymic occupational name for a maker or user of hammers, for example in a forge, or nickname for a forceful person.English and German : topographic name for someone who lived in an area of flat, low-lying alluvial land beside a stream, Old English hamm, Old High German ham (see Hamm) + the English and German agent suffix -er.Norwegian : variant of Hamar.
Surname or Lastname
English
English : variant of Force.Perhaps an altered form of Dutch Voorhees.
Surname or Lastname
English
English : occupational name for a wool or flax comber, Middle English kem(be)stere (an agent derivative of Old English cemban ‘to comb’). Although this was originally a feminine form of the masculine kembere, by the Middle English period the suffix -stre had lost its feminine force, and the term was used to refer to both sexes. Compare Baxter, Brewster, Dexter.
Surname or Lastname
English and German
English and German : from a medieval personal name, a pet form of Martin or Marta.English and French : metonymic occupational name for a smith or a nickname for a forceful person, from Old French martel ‘hammer’ (Late Latin martellus). Charles Martel, the grandfather of Charlemagne, gained his byname from the force with which he struck down his enemies in battle.Spanish and Portuguese : from Portuguese martelo, Old Spanish martel ‘hammer’ (Late Latin martellus), or an Iberianized form of the Italian cognate Martello.
Boy/Male
Tamil
Soul, Life force
Boy/Male
Muslim
Strength, Force, Occupation
Surname or Lastname
Scottish
Scottish : name of a clan associated with Caithness, derived from the Old Norse personal name Gunnr (or the feminine form Gunne), a short form of any of various compound names with the first element gunn ‘battle’.Scottish : sometimes an Anglicized form of Gaelic Mac Gille Dhuinn ‘son of the servant of the brown one’ (see Dunn). (According to Woulfe a name of the same form also existed in Sligo, Ireland.)English : metonymic occupational name for someone who operated a siege engine or cannon, perhaps also a nickname for a forceful person, from Middle English gunne, gonne ‘ballista’, ‘cannon’, ‘gun’. The term originated as a humorous application of the Scandinavian female personal name Gunne or Gunnhildr.
Surname or Lastname
English, French, and German
English, French, and German : variant spelling of Martel.Catalan : metonymic occupational name for a smith, or nickname for a forceful person, from martell ‘hammer’ (Late Latin martellus).
Girl/Female
Muslim
Force to move forward, Force
Surname or Lastname
English
English : variant of Fosse. There has been some confusion with northwestern English force in the sense of ‘waterfall’, it is possible that the surname may also have arisen as a topographic name for someone living by a waterfall.French : topographic name for someone who lived by a fortress or stronghold, Old French force, Late Latin fortia, a derivative of fortis ‘strong’ (see Fort). There are several places named with this word (for example in Aude, and baronial lands in the Dordogne), and it may also be a habitational name from any of these.
Surname or Lastname
English
English : occupational name for a summoner, an official who was responsible for ensuring the appearance of witnesses in court, Middle English sumner, sumnor.William Sumner came to Dorchester, MA, from England in about 1635. His descendants include U.S. Senator Charles Sumner, a major force in the struggle to end slavery, who was born in 1811 in Boston.
Girl/Female
Indian
Force to move forward, Force
Surname or Lastname
English
English : variant of Sumpter.Fort Sumter, SC, was named in honor of Thomas Sumter, known as the ‘Gamecock of the Revolution’ for the fear he inspired in the British and Tory forces and the pivotal role he played in key American victories. Born in 1734 near Charlottesville, VA, he was of Welsh heritage; his ancestors probably emigrated to America in the late 17th century.
Boy/Male
Sikh
Forceful
Boy/Male
Sikh
The conqueror of forces, Victorious army
Surname or Lastname
English
English : variant spelling of Hain 1–3.Isaac Hayne (1745–81) was an American revolutionary militia officer, executed by the British for breaking parole. He owned an ironworks and was manufacturing ammunition for the American forces when he was caught. His grandfather had emigrated from England to SC in about 1700.
Surname or Lastname
English
English : occupational and topographic name for someone who lived or worked in a forest (see Forrest).English : Norman French nickname or occupational name from Old French forcetier ‘cutter’, an agent noun from forcettes ‘scissors’.English : occupational name, by metathesis, from Old French fust(r)ier ‘blockmaker’ (a derivative of fustre ‘block of wood’).German (Förster) : occupational and topographic name for someone who lived and worked in a forest (see Forst).Jewish (Ashkenazic) : ornamental name from German Forst ‘forest’.
ELECTROMOTIVE FORCE
ELECTROMOTIVE FORCE
Biblical
governor of a fourth part
Surname or Lastname
English (Gloucestershire)
English (Gloucestershire) : unexplained.
Boy/Male
American, Australian, British, Danish, Dutch, English, French, German, Scandinavian, Teutonic
Royal Staff; Staff of the Gods
Boy/Male
English
From the swine farm.
Boy/Male
Welsh
Incredibly strong.
Girl/Female
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sanskrit, Telugu
Earth
Boy/Male
Tamil
Aryan Raj | ஆரà¯à®¯à®¨ ராஜÂ
Illustrious, Noble, Spiritual
Surname or Lastname
English
English : perhaps a variant spelling of Cosby.
Female
English
Elaborated form of English Toya, probably LATOYA means "toy."
Girl/Female
Indian
Request
ELECTROMOTIVE FORCE
ELECTROMOTIVE FORCE
ELECTROMOTIVE FORCE
ELECTROMOTIVE FORCE
ELECTROMOTIVE FORCE
n.
To constrain to do or to forbear, by the exertion of a power not resistible; to compel by physical, moral, or intellectual means; to coerce; as, masters force slaves to labor.
n.
Strength or power for war; hence, a body of land or naval combatants, with their appurtenances, ready for action; -- an armament; troops; warlike array; -- often in the plural; hence, a body of men prepared for action in other ways; as, the laboring force of a plantation.
n.
To compel, as by strength of evidence; as, to force conviction on the mind.
a.
Done or produced with force or great labor, or by extraordinary exertion; hurried; strained; produced by unnatural effort or pressure; as, a forced style; a forced laugh.
n.
To provide with forces; to reenforce; to strengthen by soldiers; to man; to garrison.
imp. & p. p.
of Force
v. i.
To make a difficult matter of anything; to labor; to hesitate; hence, to force of, to make much account of; to regard.
n.
To allow the force of; to value; to care for.
n.
The solid piston of a force pump; the instrument by which water is forced in a pump.
n.
The standard unit of electrical capacity; the capacity of a condenser whose charge, having an electro-motive force of one volt, is equal to the amount of electricity which, with the same electromotive force, passes through one ohm in one second; the capacity, which, charged with one coulomb, gives an electro-motive force of one volt.
n.
Strength or energy of body or mind; active power; vigor; might; often, an unusual degree of strength or energy; capacity of exercising an influence or producing an effect; especially, power to persuade, or convince, or impose obligation; pertinency; validity; special signification; as, the force of an appeal, an argument, a contract, or a term.
n.
To exert to the utmost; to urge; hence, to strain; to urge to excessive, unnatural, or untimely action; to produce by unnatural effort; as, to force a consient or metaphor; to force a laugh; to force fruits.
v. i.
To be of force, importance, or weight; to matter.
n.
The caudal forceps-shaped appendage of earwigs and some other insects. See Earwig.
a.
Full of or processing force; exerting force; mighty.
n.
To put in force; to cause to be executed; to make binding; to enforce.
n.
Any action between two bodies which changes, or tends to change, their relative condition as to rest or motion; or, more generally, which changes, or tends to change, any physical relation between them, whether mechanical, thermal, chemical, electrical, magnetic, or of any other kind; as, the force of gravity; cohesive force; centrifugal force.
v. i.
To make war; to invade or attack a state or nation with force of arms; to carry on hostilities; to be in a state by violence.
n.
One who, or that which, forces or drives.
a.
Having little or no force; feeble.