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单词 self-capacitance
释义

self-capacitancen.

Brit. /ˌsɛlfkəˈpasᵻt(ə)ns/, U.S. /ˌsɛlfkəˈpæsədəns/
Origin: Formed within English, by derivation. Etymons: self- prefix, capacitance n.
Etymology: < self- prefix + capacitance n. Compare earlier self-capacity n. 2.
The inherent capacitance of a single electrical conductor. Also: the capacitance of a coil, or a circuit in which a coil is present, resulting from the proximity of its windings. Frequently contrasted with mutual capacitance n. at mutual adj. and n. Compounds 2.
ΚΠ
1921 Jrnl. Amer. Inst. Electr. Engineers 40 23 Definitions are given for self and mutual elastances as well as for self and mutual capacitances and the definitions are tested by our knowledge of spherical condensers.
1937 L. D. Weld Gloss. Physics 207/2 Self-capacitance, distributed capacitance of an electric circuit due to its containing closely wound coils of insulated wire.
1960 Pract. Wireless 36 397/2 A small capacitance which is in fact the self-capacitance of the crystal.
2012 R. Morrison Digital Circuit Board i. 10 The capacitors used in a circuit all have self-capacitances.
This entry has been updated (OED Third Edition, January 2018; most recently modified version published online March 2022).
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