Capacitance - Capacitance

Japanese: キャパシタンス - きゃぱしたんす(英語表記)capacitance
Capacitance - Capacitance

It is also called electrostatic capacitance. When a charge is applied to one of two insulated conductors, a charge of equal magnitude and opposite sign is induced in the other conductor. The ratio of the applied charge to the potential difference between the two conductors is called capacitance. When a voltage is applied between insulated conductors, the charge stored in the system is proportional to the capacitance. The magnitude of capacitance differs depending on the material used for insulation, and is proportional to the area of ​​the electrodes and inversely proportional to the distance between the electrodes. Capacitance is also defined for a single conductor and a system of three or more conductors. The unit of capacitance is defined as 1 farad (F), which is the capacitance that stores 1 coulomb of charge when a potential difference of 1 volt is applied. The symbol is C.

[Madashi Fuse and Masazumi Yoshizawa]

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

静電容量ともいう。絶縁された二つの導体の対(つい)において、一方の導体に電荷を与えると、他方の導体には、大きさが等しくかつ反対符号の電荷が誘導される。このときの両導体間の電位差に対する与えた電荷の比をキャパシタンスという。絶縁された導体間に電圧を加えたとき、この系に蓄えられる電荷はキャパシタンスに比例する。キャパシタンスの大きさは、絶縁に用いる材料により異なり、電極の面積に比例し、電極間の距離に反比例する。単独の導体、三つ以上の導体系に対してもキャパシタンスが定義される。単位は、1ボルトの電位差を与えたとき1クーロンの電荷が蓄えられるキャパシタンスを1ファラド(F)と定めてある。記号はC

[布施 正・吉澤昌純]

出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例

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