uhlíková žárovka II.
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Added: 4 years ago
From: teslista
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  • To je sice hezky ale "normalni" uhlikova zarovka jsou 2 elektrody a to co sviti je nizkonapetovy vyboj mezi nimi (napajely se pres omezeni proudu z 230V a nekolik A)

    jmartis2 4 years ago

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