Kirchhoff's laws

Kirchhoff's laws, named after Gustav Kirchhoff, may refer to:


 * Kirchhoff's circuit laws in electrical engineering
 * Kirchhoff's law of thermal radiation
 * Kirchhoff equations in fluid dynamics
 * Kirchhoff's three laws of spectroscopy
 * Kirchhoff's law of thermochemistry
 * Kirchhoff's theorem about the number of spanning trees in a graph