7-klass fizika. 8-bsb. laboratoriya ishi 20 ball rus
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[image: ] laboratornaya rabota: izuchenie zakona oma tsel raboti: nauchitsya izmeryat napryajenie na kontsax provodnika i tok, proxodyashiy cherez nego, a takje opredelyat soprotivlenie provodnika po zakonu oma. neobxodimoe oborudovanie: istochnik toka, milliampermetr, voltmetr, rezistor, pereklyuchatel i soedinitelnie provoda. poryadok vipolneniya raboti [image: ]1. soberite sxemu po printsipialnoy sxeme. pereklyuchatel ostavte otklyuchennim. 2. blok pitaniya potrebiteley ustanovite na 4 v. 3. podklyuchite pereklyuchatel. tok, protekayushiy cherez rezistor, izmeryaetsya milliampermetrom, a napryajenie na ego vivodax izmeryaetsya voltmetrom. poluchennie rezultati zanosite v tablitsu. 4. pereklyuchatel otklyuchite. povtorite eksperiment, ustanavlivaya blok pitaniya potrebiteley na napryajen...
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