Ampère's force law

E158699

Ampère's force law is a fundamental principle in electromagnetism that quantifies the mechanical force between electric currents in conductors.

All labels observed (2)

Label Occurrences
Ampère's force law canonical 2
Ampère's law 2

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf classical physics law ⓘ
law of electromagnetism ⓘ
physical law ⓘ
appliesTo current-carrying wires ⓘ
steady electric currents ⓘ
approximationOf magnetic interaction between moving charges ⓘ
assumes long straight parallel conductors ⓘ
quasi-static conditions ⓘ
category magnetic force law ⓘ
compatibleWith Maxwell's equations ⓘ
conceptualBasisFor electromagnetic unit of current ⓘ
dependsOn distance between conductors ⓘ
permeability of free space ⓘ
product of the currents ⓘ
describes force between electric currents ⓘ
mechanical force between current-carrying conductors ⓘ
domain macroscopic conductors ⓘ
expresses force per unit length between parallel currents ⓘ
field electromagnetism ⓘ
formulatedBy André-Marie Ampère ⓘ
generalizedBy Lorentz force law ⓘ
linked to: Lorentz force
hasConsequence currents in parallel power lines exert forces on each other ⓘ
design constraints in high-current busbars ⓘ
hasUnit ampere for current ⓘ
meter for length ⓘ
newton for force ⓘ
historicalPeriod 19th century ⓘ
involves direction of current ⓘ
separation vector between conductors ⓘ
vector nature of force ⓘ
isPartOf classical electrodynamics ⓘ
magnetostatics ⓘ
languageOfOriginalPublication French ⓘ
mathematicalForm F∝I₁I₂ℓ∕r ⓘ
namedAfter André-Marie Ampère ⓘ
predicts attraction between parallel currents in the same direction ⓘ
repulsion between parallel currents in opposite directions ⓘ
relatedTo Ampère's circuital law ⓘ
Biot–Savart law ⓘ
relatesQuantity electric current ⓘ
magnetic interaction ⓘ
mechanical force ⓘ
requires closed electric circuits ⓘ
standardFormSI F∕ℓ = μ₀ I₁ I₂ ∕ (2π r) ⓘ
taughtIn undergraduate electromagnetism courses ⓘ
usedFor definition of the ampere in older SI system ⓘ
validInLimit non-relativistic regime ⓘ
yearProposed 1820s ⓘ

How these facts were elicited

Referenced by (4)

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

André-Marie Ampère → notableWork → Ampère's force law ⓘ
André-Marie Ampère → hasPart → Ampère's force law ⓘ
A Dynamical Theory of the Electromagnetic Field → basedOn → Ampère's law ⓘ
linked to: Ampère's force law
Biot–Savart law → relatedTo → Ampère's law ⓘ
linked to: Ampère's force law