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