Edlisfraedi_2_Kafli_24_Allur_an_krossa

Edlisfraedi_2_Kafli_24_Allur_an_krossa - Brynjar Karlsson...

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Unformatted text preview: Brynjar Karlsson 2008 og HAu 2009 Kafli 24 ttar og rafsvarar 1. ttar og rmd 2. ttar ra- og hlitengdir 3. Orka geymd ttum og orka rafsvis 4. Rafsvarar 5. Sameindalkan af rafhrifum 6. Lgml Gauss fyrir rafsvara Brynjar Karlsson 2008 og HAu 2009 ttar og rafsvarar Skoum orsifjar. e. condenser (fr. condensateur) ttir Hugsum okkur a etta s hlutur sem a eimar og safnar saman rafurmagni. Var seinna kalla capacitor. En vi sitjum uppi me ori ttir!!! Brynjar Karlsson 2008 og HAu 2009 ttar ttir (capacitor) er tki sem getur geymt hleslu. Tveir agreindir leiarar geta unni sem ttir. Hlum leiarana Sama hlesla q, en lk formerki Spennumunur V v meiri spenna, v meiri hlesla: Q V Hve mikil hlesla fyrir gefna spennu ? Rmd ttis: C = Q/V q U V = B B A A V V d- = - E s q = 0 q = 0 +q-q hlainn ttir: hlainn ttir: E q Brynjar Karlsson 2008 og HAu 2009 ttar ttir (capacitor) er tki sem getur geymt hleslu. Tveir agreindir leiarar geta unni sem ttir. Brynjar Karlsson 2008 og HAu 2009 ttar Einhverjir tveir leiarar Rafhlaan heldur leiurunum vi misunandi spennu (mtti). Hleslur leita undan spennuhalla og safnast fyrir ar sem eim lur best. eim lur best nvist hlesla me hitt formerki. r leita t ann hluta leiarana sem er nstur hinum leiaranum. Brynjar Karlsson 2008 og HAu 2009 ttar frh Me mlingum fst a Q V Stuullinn sem gerir a = er hur gemetru en oftast ekki Q ea V Kllum hann rmd C;...
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Edlisfraedi_2_Kafli_24_Allur_an_krossa - Brynjar Karlsson...

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