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.
Aliases (2)
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 current law
→
Kirchhoff's voltage law NERFINISHED → |
| introducedBy |
Gustav Kirchhoff
NERFINISHED
→
|
| 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 → |
| 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
→
|
Referenced by (4)
| Subject (surface form when different) | Predicate |
|---|---|
|
Gustav Kirchhoff
→
Gustav Kirchhoff ("Kirchhoff's current law") → Gustav Kirchhoff ("Kirchhoff's voltage law") → |
notableWork |
|
Kirchhoff's circuit laws
("Kirchhoff's current law")
→
|
hasPart |