单词 | Kirchhoff's law |
释义 | Kirchhoff's law [`kǝrk´hōfs ´lȯ] ELECTRICITY Either of the two fundamental laws dealing with the relation of currents at a junction and voltages around closed loops in an electric network; they are known as Kirchhoff's current law and Kirchhoff's voltage law. THERMODYNAMICS The law that the ratio of the emissivity of a heat radiator to the absorptivity of the same radiator is the same for all bodies, depending on frequency and temperature alone, and is equal to the emissivity of a blackbody. Also known as Kirchhoff's principle. |
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