Definition of Kirchhoff's laws in English:

Kirchhoff's laws

plural nounˈkɪətʃɒfs

Physics

Two laws concerning electric networks in which steady currents are flowing. The first law states that the algebraic sum of the currents in all the conductors that meet in a point is zero. The second law states that the algebraic sum of the products of current and resistance in each part of any closed path in a network is equal to the algebraic sum of the electromotive forces in the path.
Example sentencesExamples
- For branched cycles, Kirchhoff's law can be applied to calculate the resistance of the complete network, in analogy to its use for electric circuits.
- Since Kirchhoff's laws are derived from general physical properties of electricity, they are applicable to all kinds of electric circuits.
- In order to quickly measure transmission on any given night, we thus use the alternative approach based on Kirchhoff's law.
- Proficiency in analyzing circuits with Kirchhoff's laws, particularly with regard to the sign conventions and with solving simultaneous equations, comes with practice.
- In working with Kirchhoff's law, positive and negative polarities are assigned in the direction of current flow.

Origin

Mid 19th century: named after G. R. Kirchhoff (see Kirchhoff, Gustav Robert).

单词	Kirchhoff's laws
释义	Definition of Kirchhoff's laws in English: Kirchhoff's laws plural nounˈkɪətʃɒfs Physics Two laws concerning electric networks in which steady currents are flowing. The first law states that the algebraic sum of the currents in all the conductors that meet in a point is zero. The second law states that the algebraic sum of the products of current and resistance in each part of any closed path in a network is equal to the algebraic sum of the electromotive forces in the path. Example sentencesExamples For branched cycles, Kirchhoff's law can be applied to calculate the resistance of the complete network, in analogy to its use for electric circuits. Since Kirchhoff's laws are derived from general physical properties of electricity, they are applicable to all kinds of electric circuits. In order to quickly measure transmission on any given night, we thus use the alternative approach based on Kirchhoff's law. Proficiency in analyzing circuits with Kirchhoff's laws, particularly with regard to the sign conventions and with solving simultaneous equations, comes with practice. In working with Kirchhoff's law, positive and negative polarities are assigned in the direction of current flow. Origin Mid 19th century: named after G. R. Kirchhoff (see Kirchhoff, Gustav Robert).
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