Kirchhoff's circuit laws

E93638

Kirchhoff's circuit laws are fundamental rules in electrical engineering that describe how electric charge and energy are conserved in electrical circuits through relationships among currents and voltages.

All labels observed (3)

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Statements (48)

Predicate Object
instanceOf electrical law
set of physical laws
appliesConcept current conservation at a node
voltage sum around a closed loop
appliesTo alternating current circuits
direct current circuits
linear time-invariant circuits
lumped-element circuits
many nonlinear circuits
reactive circuits
resistive circuits
assumes lumped element model
negligible electromagnetic radiation
no time-varying magnetic flux linking the loop
basedOn conservation of electric charge
conservation of energy
category electrical network theory
describes conservation of charge in circuits
conservation of energy in circuits
field circuit theory
electrical engineering
physics
formalism linear equations for circuit variables
hasPart Kirchhoff's circuit laws self-linksurface differs
surface form: Kirchhoff's current law

Kirchhoff's circuit laws self-linksurface differs
surface form: Kirchhoff's voltage law
introducedBy Gustav Kirchhoff
isFoundationFor electronic circuit design
power system analysis
signal processing hardware design
limitation may fail at very high frequencies
may fail in circuits with significant radiation
may fail when displacement currents are significant
namedAfter Gustav Kirchhoff
relatedTo Maxwell's equations
Ohm's law for electrical conduction
surface form: Ohm's law
taughtIn introductory physics courses
undergraduate electrical engineering courses
usedFor circuit analysis
network analysis
solving for unknown currents
solving for unknown impedances
solving for unknown resistances
solving for unknown voltages
usedInMethod mesh analysis
modified nodal analysis
nodal analysis
validWhen wavelength of signals is much larger than circuit dimensions
yearProposed 1845

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Referenced by (8)

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

Gustav Kirchhoff notableWork Kirchhoff's circuit laws
Gustav Kirchhoff notableWork Kirchhoff's circuit laws
this entity surface form: Kirchhoff's current law
Gustav Kirchhoff notableWork Kirchhoff's circuit laws
this entity surface form: Kirchhoff's voltage law
Kirchhoff's circuit laws hasPart Kirchhoff's circuit laws self-linksurface differs
this entity surface form: Kirchhoff's current law
Kirchhoff's circuit laws hasPart Kirchhoff's circuit laws self-linksurface differs
this entity surface form: Kirchhoff's voltage law
Kirchhoff's law of thermal radiation relatedTo Kirchhoff's circuit laws
Ohm's law for electrical conduction relatedConcept Kirchhoff's circuit laws