Faraday's law of induction

E31559
Maxwell equation law of electromagnetism physical law

Faraday's law of induction is a fundamental principle of electromagnetism that relates changing magnetic flux through a circuit to the induced electromotive force (voltage) in that circuit.

Jump to: Surface forms Statements Referenced by

Observed surface forms (1)

Surface form Occurrences
Maxwell–Faraday equation 1

Statements (50)

Predicate Object
instanceOf Maxwell equation ⓘ
law of electromagnetism ⓘ
physical law ⓘ
appliesTo closed loops ⓘ
electrical circuits ⓘ
assumes classical electromagnetism ⓘ
componentOf Maxwell's equations ⓘ
coreConcept electromagnetic induction ⓘ
describes non-conservative electric fields produced by changing magnetic fields ⓘ
differentialForm ∮_C E · dl = - d/dt ∫_S B · dA ⓘ
dimension macroscopic scale ⓘ
domain classical physics ⓘ
expresses induction of emf by time-varying magnetic field ⓘ
field electromagnetism ⓘ
foundationFor AC power generation ⓘ
transformer theory ⓘ
historicalDiscoveryBy Michael Faraday ⓘ
implies changing magnetic fields create electric fields ⓘ
includesPrinciple Lenz's law ⓘ
includesSymbol B ⓘ
emf ⓘ
t ⓘ
Φ_B ⓘ
∂B/∂t ⓘ
∮ ⓘ
integralForm ∮_C E · dl = - dΦ_B/dt ⓘ
mathematicalFormulation emf = - dΦ_B/dt ⓘ
namedAfter Michael Faraday ⓘ
relatedConcept magnetic flux linkage ⓘ
mutual inductance ⓘ
self-inductance ⓘ
relates changing magnetic flux ⓘ
induced electromotive force ⓘ
induced voltage ⓘ
relatesQuantity electric field ⓘ
magnetic field ⓘ
magnetic flux ⓘ
time derivative of magnetic flux ⓘ
signConvention negative sign indicates opposition to change in flux ⓘ
usedIn electric generators ⓘ
electric guitar pickups ⓘ
induction cooktops ⓘ
induction motors ⓘ
inductors ⓘ
magnetic braking systems ⓘ
microphone coils ⓘ
transformers ⓘ
wireless charging systems ⓘ
validIn non-relativistic regimes ⓘ
yearProposed 1831 ⓘ

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

A Dynamical Theory of the Electromagnetic Field → basedOn → Faraday's law of induction ⓘ
Maxwell's equations → consistsOf → Faraday's law of induction ⓘ
Michael Faraday → knownFor → Faraday's law of induction ⓘ
Gauss's law for magnetism → relatedTo → Faraday's law of induction ⓘ
Gauss's law for magnetism → relatedTo → Faraday's law of induction ⓘ
this entity surface form: Maxwell–Faraday equation