Elektral energio

Adporto di elektrika energio a elektroteknika sistemo es necesa per ke ul efektas laboro: diplasar kargajo, furnisar lumo, kalkular. Ta laboro es proporcione da elektr-quanteso.

W en jouli, Q en coulombi e V en volts, la potencial-difero inter du punti.

Kun, l’elektra fluo :

P la forteso en watti.

Altra lingui

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