{"product_id":"impedenza-di-un-condensatore-in-un-circuito-ca","title":"Impedenza di un condensatore in un circuito CA","description":"\u003cp\u003eSistema per analizzare l’impedenza capacitiva in un circuito a corrente alternata, misurando ampiezza e fase della corrente in funzione di frequenza e capacità.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cdiv id=\"model-response-message-contentr_a0c39fbd64608a70\" class=\"markdown markdown-main-panel stronger enable-updated-hr-color\" dir=\"ltr\"\u003e\n\u003cbr\u003e\u003ch3\u003e\u003cstrong\u003eImpedenza di un Condensatore in un Circuito CA\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cbr\u003e\u003cp\u003eQuesto set sperimentale è progettato per lo studio e la misurazione dell'\u003cb\u003eimpedenza (o reattanza) capacitiva\u003c\/b\u003e di un condensatore in un circuito a corrente alternata (CA), analizzando come questa varia in funzione della capacità e della frequenza.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e \u003c\/p\u003e\n\u003cbr\u003e\u003ch3\u003e\u003cstrong\u003eScopo e Principi Fondamentali\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cbr\u003e\u003cp\u003eQuando un condensatore è sottoposto a una tensione alternata, si verifica un flusso di \u003cb\u003ecorrente alternata\u003c\/b\u003e attraverso di esso. A differenza di un circuito a corrente continua, dove il condensatore si carica e poi blocca il flusso, in CA la variazione continua della tensione provoca un ciclo costante di carica e scarica, che si manifesta come corrente.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eIl condensatore si oppone al passaggio della corrente, e questa opposizione è l'\u003cb\u003eimpedenza capacitiva\u003c\/b\u003e (\u003cspan class=\"katex-display\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"mord\"\u003e\u003cspan class=\"mord mathnormal\"\u003eX\u003c\/span\u003e\u003cspan class=\"msupsub\"\u003e\u003cspan class=\"vlist-t vlist-t2\"\u003e\u003cspan class=\"vlist-r\"\u003e\u003cspan class=\"vlist\"\u003e\u003cspan class=\"\"\u003e\u003cspan class=\"sizing reset-size6 size3 mtight\"\u003e\u003cspan class=\"mord mathnormal mtight\"\u003eC\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"vlist-s\"\u003e​\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e).\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eL'esperimento si concentra su due aspetti chiave di questo fenomeno:\u003c\/p\u003e\n\u003cbr\u003e\u003col start=\"1\"\u003e\n\u003cbr\u003e\u003cli\u003e\n\u003cb\u003eSpostamento di Fase:\u003c\/b\u003e La corrente che attraversa il condensatore presenta uno \u003cb\u003espostamento di fase\u003c\/b\u003e (\u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"mord mathnormal\"\u003eϕ\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e) di \u003cspan class=\"katex-display\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"mord\"\u003e9\u003c\/span\u003e\u003cspan class=\"mord\"\u003e0\u003cspan class=\"msupsub\"\u003e\u003cspan class=\"vlist-t\"\u003e\u003cspan class=\"vlist-r\"\u003e\u003cspan class=\"vlist\"\u003e\u003cspan class=\"\"\u003e\u003cspan class=\"sizing reset-size6 size3 mtight\"\u003e\u003cspan class=\"mbin mtight\"\u003e∘ \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003erispetto alla tensione applicata.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003e\n\u003cb\u003eDipendenza da Frequenza e Capacità:\u003c\/b\u003e L'impedenza capacitiva è inversamente proporzionale alla frequenza (\u003cspan class=\"katex-display\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"mord mathnormal\"\u003ef\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e) della tensione alternata e alla capacità (\u003cspan class=\"katex-display\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"mord mathnormal\"\u003eC\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e) del condensatore, secondo la formula: \u003cspan class=\"katex-display\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"mord\"\u003e\u003cspan class=\"mord mathnormal\"\u003eX\u003c\/span\u003e\u003cspan class=\"msupsub\"\u003e\u003cspan class=\"vlist-t vlist-t2\"\u003e\u003cspan class=\"vlist-r\"\u003e\u003cspan class=\"vlist\"\u003e\u003cspan class=\"\"\u003e\u003cspan class=\"sizing reset-size6 size3 mtight\"\u003e\u003cspan class=\"mord mathnormal mtight\"\u003eC\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"mrel\"\u003e=\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"mord\"\u003e\u003cspan class=\"mfrac\"\u003e\u003cspan class=\"vlist-t vlist-t2\"\u003e\u003cspan class=\"vlist-r\"\u003e\u003cspan class=\"vlist\"\u003e\u003cspan class=\"\"\u003e2\u003cspan class=\"mord mathnormal\"\u003eπ\u003c\/span\u003e\u003cspan class=\"mord mathnormal\"\u003ef\u003c\/span\u003e\u003cspan class=\"mord mathnormal\"\u003eC\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"\"\u003e1\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"vlist-s\"\u003e​\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ol\u003e\n\u003cbr\u003e\u003cp\u003e \u003c\/p\u003e\n\u003cbr\u003e\u003ch3\u003e\u003cstrong\u003eStrumentazione e Analisi\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cbr\u003e\u003cp\u003eNell'esperimento, un \u003cb\u003egeneratore di funzione\u003c\/b\u003e fornisce la tensione alternata con frequenze fino a 3 kHz. Un \u003cb\u003eoscilloscopio a due canali\u003c\/b\u003e è lo strumento chiave per l'analisi:\u003c\/p\u003e\n\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003e\n\u003cb\u003eCanale 1:\u003c\/b\u003e Registra la tensione applicata al condensatore.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003e\n\u003cb\u003eCanale 2:\u003c\/b\u003e Registra la corrente attraverso il condensatore (misurata indirettamente come caduta di tensione su una resistenza di misura nota).\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003cp\u003eL'oscilloscopio consente di determinare simultaneamente l'\u003cb\u003eampiezza\u003c\/b\u003e e lo \u003cb\u003espostamento di fase\u003c\/b\u003e (ritardo o anticipo) di entrambe le grandezze, permettendo agli studenti di:\u003c\/p\u003e\n\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eCalcolare l'impedenza capacitiva a diverse frequenze e capacità.\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eVerificare sperimentalmente lo sfasamento di \u003cspan class=\"katex-display\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"mord\"\u003e9\u003c\/span\u003e\u003cspan class=\"mord\"\u003e0\u003cspan class=\"msupsub\"\u003e\u003cspan class=\"vlist-t\"\u003e\u003cspan class=\"vlist-r\"\u003e\u003cspan class=\"vlist\"\u003e\u003cspan class=\"\"\u003e\u003cspan class=\"sizing reset-size6 size3 mtight\"\u003e\u003cspan class=\"mbin mtight\"\u003e∘ \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003etra corrente e tensione.\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\u003cbr\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":56592979132742,"sku":null,"price":1565.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/2502\/5350\/files\/Impedenza-di-un-condensatore-in-un-circuito-CA.png?v=1778853865","url":"https:\/\/deltacon-store.myshopify.com\/products\/impedenza-di-un-condensatore-in-un-circuito-ca","provider":"Deltacon S.r.l","version":"1.0","type":"link"}