inductanceɪnˈdʌk təns
inductance (n)
English Definitions:
induction, inductance (noun)
an electrical phenomenon whereby an electromotive force (EMF) is generated in a closed circuit by a change in the flow of current
inductor, inductance (noun)
an electrical device (typically a conducting coil) that introduces inductance into a circuit
inductance (Noun)
The property of an electric circuit by which a voltage is induced in it by a changing magnetic field.
inductance (Noun)
The quantity of the resulting electromagnetic flux divided by the current that produces it, measured in henries (SI symbol: H.)
Inductance
In electromagnetism and electronics, inductance is the property of a conductor by which a change in current in the conductor "induces" a voltage in both the conductor itself and in any nearby conductors. This effect derives from two fundamental observations of physics: First, that a steady current creates a steady magnetic field and second, that a time-varying magnetic field induces a voltage in a nearby conductor. From Lenz's law, in an electric circuit, a changing electric current through a circuit that has inductance induces a proportional voltage which opposes the change in current. The varying field in this circuit may also induce an e.m.f. in a neighbouring circuit. The term 'inductance' was coined by Oliver Heaviside in February 1886. It is customary to use the symbol L for inductance, in honour of the physicist Heinrich Lenz. In the SI system the unit of inductance is the henry, named in honor of the scientist who discovered inductance, Joseph Henry. To add inductance to a circuit, electrical or electronic components called inductors are used, typically consisting of coils of wire to concentrate the magnetic field and so that the magnetic field is linked into the circuit more than once.
Inductance
Inductance is the tendency of an electrical conductor to oppose a change in the electric current flowing through it. The flow of electric current creates a magnetic field around the conductor. The field strength depends on the magnitude of the current, and follows any changes in current. From Faraday's law of induction, any change in magnetic field through a circuit induces an electromotive force (EMF) (voltage) in the conductors, a process known as electromagnetic induction. This induced voltage created by the changing current has the effect of opposing the change in current. This is stated by Lenz's law, and the voltage is called back EMF. Inductance is defined as the ratio of the induced voltage to the rate of change of current causing it. It is a proportionality factor that depends on the geometry of circuit conductors and the magnetic permeability of nearby materials. An electronic component designed to add inductance to a circuit is called an inductor. It typically consists of a coil or helix of wire. The term inductance was coined by Oliver Heaviside in May 1884. It is customary to use the symbol L {\displaystyle L} for inductance, in honour of the physicist Heinrich Lenz. In the SI system, the unit of inductance is the henry (H), which is the amount of inductance that causes a voltage of one volt, when the current is changing at a rate of one ampere per second. It is named for Joseph Henry, who discovered inductance independently of Faraday.
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"inductance." Kamus.net. STANDS4 LLC, 2024. Web. 26 Apr. 2024. <https://www.kamus.net/english/inductance>.
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