Kungani i-capacitor ivimba i-DC kodwa idlule i-AC?

I-capacitor yizingqwembe ezimbili ezihambisanayo ezingenakho ukuxhumana kukagesi phakathi kwazo. Intambo inamathele epuletini ngalinye. Izingqwembe zingaba nendawo enkulu kakhulu kanye nesikhala esincane kakhulu phakathi kwazo. Zingakhiwa ngamashidi amabili e-foil anesendlalelo sephepha phakathi kwazo bese yonke into igoqwa ukuze ihlale iqinile. Kodwa kusengamapuleti amabili amakhulu kuphela anesikhala phakathi kwazo.

Uma uxhuma ibhethri ezintanjeni ezimbili, inani elincane lokushaja lizogeleza isikhashana. Lizosunduza ama-electron kwelinye ipuleti bese limunca ama-electron kwelinye ipuleti. Maduze nje, kukhona umehluko we-voltage phakathi kwamapuleti amabili (olingana ne-voltage yebhethri) futhi akusekho ugesi ogelezayo. Usumile. Leyo yingxenye ye-DC evimbayo. Ugesi oqondile awukwazi ukuqhubeka ugeleza ngoba ayikho indlela yokuthi uvale igebe phakathi kwamapuleti.

Manje ake sithi sixhuma ibhethri amasekhondi ambalwa amancane. Phakathi naleso sikhathi esifushane, ama-electron ambalwa ayadonswa epuletini elilodwa bese kuthi cishe inani elifanayo lifakwe kwelinye ipuleti. Kukhona insimu kagesi phakathi kwamapuleti amabili ngenxa yokuba nama-electron amaningi ohlangothini olulodwa kunolunye. Kodwa i-voltage ayikakakhi kuze kufike ku-voltage yebhethri ngoba siyixhume isikhathi esifushane kakhulu.

Manje, shintsha ngokushesha ama-terminal ebhethri. Manje sidonsa ama-electron lapho siwasunduzele khona ngaphambili bese sisunduzela amanye kolunye uhlangothi lapho sithathe khona amanye ngaphambilini. Ake sikwenze lokhu amasekhondi ama-nano ama-2. Ngakho-ke manje sesishintshe isimo futhi sinensimu kagesi ephambene phakathi kwamapuleti. Kodwa sivumela amandla kagesi ukuthi ageleze isikhathi esifushane kakhulu. Akwanele ukwakhela ku-voltage yebhethri.

Qhubeka uphinda lokho, ushintshashintsha indlela yamandla kagesi, kodwa ukwenza ngokushesha kangangokuthi akukaze kugcwale. Lokho kungukushintshashintsha kwamandla kagesi. Amasekethe asebenza sengathi amandla kagesi ageleza emapuletini. Empeleni awagelezi, kodwa isekethe iziphatha sengathi i-AC igeleza nge-capacitor.

isihloko esivela ku: https://qr.ae/pCcOXh


Isikhathi sokuthunyelwe: Jan-15-2026