9-sinf Fizika olimpiada №5 Yanvar 9, 2023Yanvar 9, 2023 da chop etilgan InfoMaster tomonidan 9-sinf Fizika olimpiada №5 ga 2 fikr bildirilgan 14 12345678910111213141516171819202122232425 Tomonidan yaratilgan InfoMaster 9-sinf Fizika olimpiada №5 03.01.2023 yil oo.uzedu.uz Online olimpiada savollari! 1 / 25 Agar yerda gorizontal yotgan 4 m uzunlikdagi trubaning bir uchidan ko’tarish uchun 6kN kuch yetarli bo’lsa, shu trubani vetrikal holatga keltirish uchun kamida qanday ish (kJ) bajarish kerak? ? = 10 ?/?^2 A) 24 B) 45 C) 25 D) 39 2 / 25 Avtomobil dvigateli parragining harakat trayektoriyasi: a) avtomobil bilan bog’langan sanoq sistemasiga b) Yer bilan bog’langan sanoq sistemasiga nisbatan qanday shaklga bo’ladi? A) egri chiziq, to’g’ri chiziq B) parmasimon. Aylana C) aylana, aylana D) aylana, parmasimon 3 / 25 Chizmada ko’rsatilgan elektr zanjirining A va B nuqtalari orasidagi umumiy qarshiligini toping. A) 5 B) 4 C) 9 D) 6 4 / 25 Jism tinch holatdan harakat boshlab avval ? tezlanish bilan ? so’ngra 2? tezlanish bilan 2? vaqt harakatlansa, u qanday masofani bosib o’tadi? A) B B) C C) D D) A 5 / 25 Induksiyasi 25 mT bo’lgan bir jinsli magnit maydonida kuch chiziqlariga perpendikulyar ravishda uzunligi 40 sm va massasi 5 g bo’lgan elektr liniyasining qismi joylashgan. Agar liniyadagi tok 3 A ekanligi ma’lum bo’lsa bu qism magnit maydoni ta’sirida qanday tezlanishga (?/?²) ega bo’lib qoladi? A) 6 B) 15 C) 3 D) 12 6 / 25 A) D B) B C) A D) C 7 / 25 A) C B) B C) D D) A 8 / 25 A) D B) C C) B D) A 9 / 25 A) C B) B C) A D) D 10 / 25 A) C B) B C) D D) A 11 / 25 A) B B) D C) C D) A 12 / 25 A) D B) C C) B D) A 13 / 25 A) D B) C C) B D) A 14 / 25 A) D B) A C) C D) B 15 / 25 A) C B) B C) D D) A 16 / 25 A) C B) B C) A D) D 17 / 25 A) C B) D C) A D) B 18 / 25 A) D B) A C) B D) C 19 / 25 A) A B) B C) D D) C 20 / 25 A) A B) C C) D D) B 21 / 25 A) C B) D C) A D) B 22 / 25 A) A B) B C) D D) C 23 / 25 A) B B) C C) D D) A 24 / 25 A) D B) C C) B D) A 25 / 25 A) D B) C C) B D) A 0% Testni qayta ishga tushiring tomonidan Wordpress Quiz plugin Fizika olimpiada
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