9-sinf Fizika olimpiada №5

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9-sinf Fizika olimpiada №5

03.01.2023 yil oo.uzedu.uz  

Online olimpiada savollari!

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Elektrolizda buyumni nikellash 50 minut davom etib, buyum 0.09 g nikel bilan qoplandi. Elektroliz vaqtidagi tokning qiymatini toping. Nikel uchun k= 0.3 mg/C.

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Suvli stakanda ichida muzlagan tosh bor muz parchasi suzib yuribdi. Muz erigandan keyin stakandagi suvning sathi qanday o’zgaradi?

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Chizmada ko’rsatilgan voltmetr necha V kuchlanishni ko’rsatmoqda?

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Chizmada ko’rsatilgan K va L massalari nisbati ??/?K= 3 va balandliklarining nisbati ℎ?/ℎK= 2 bo’lsa, u olda bu jismlarning potensial energiyalarining (??/?K) nisbatini toping

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Elektroneytral jismlarning zaryadi qanday?

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