Uy » Choraklik online testlar » Fizika choraklik » 8-sinf Fizika 4-chorak Fizika choraklik 8-sinf Fizika 4-chorak InfoMaster May 5, 2021 54 Ko'rishlar 0 SaqlashSaqlanganOlib tashlandi 1 0 Tomonidan yaratilgan InfoMaster 8-sinf Fizika 4-chorak Testni Shirinboyev Temurbek tayyorladi. Ma'lumotlaringizni kriting. IsmTelefon raqami 1 / 25 Bitta elektron massasi nechaga teng ? A) 8,81*10^-19kg B) 1,6*10^-19kg C) 3,36*10^-32kg D) 9,1*10^-31kg 2 / 25 O’lchami va shakli hisobga olinmaydigan zaryadlangan jism qanday nomlanadi ? A) Elementar zaryad B) Manfiy zaryad C) Musbat zaryad D) Nuqtaviy zaryad 3 / 25 Ishqalangan jismlarning tortishish hodisasini birinchi bo’lib kim aytgan? A) grek olimi Arximed B) yunon olimi Fales Miletskiy C) hamma javoblar to'g'ri D) yunon olimi Aristotel 4 / 25 Bitta elektron zaryadi nechaga teng ? A) 8,81*10^-19 B) 1,6*10^-19C C) 9,1*10^-31C D) 2,01*10^-19C 5 / 25 Qarshiligi 10 Ω bo`lgan mis o`tkazgichni 5 ta teng bo`lakka bo`lib, bo`laklar o`zaro parallel ulandi. Umumiy qarshilikni toping. A) 1 Ω B) 0.2 Ω C) 0.5 Ω D) 0.4 Ω 6 / 25 Elektr doimiysining son qiymati nechaga teng? A) -3*10^-19 C B) 3*10^-19 C C) 9,1*10^-31kg D) 8,85*10^-12C^2/N*m^2 7 / 25 Elektr zaryadlarini to’plash uchun mo’ljallangan asbob qanday nomlanadi? A) kondensator B) Ampermetr C) Voltmetr D) Areometr 8 / 25 Tok o’tayotgan o’tkazgich atrofida magnit maydon bor ekanligini ko’rsatgan tajriba qaysi olim nomi bilanbog’liq ? A) Volta B) Joul C) Amper D) Ersted 9 / 25 Yorug’lik tezligini birinchi bo’lib kim aniqlagan A) J.Uatt B) O.Ryomer C) Rezirfort D) Nyuton 10 / 25 Faradey doimiysining son qiymatini toping ? A) 96500 C/mol B) 7800 C/mol C) 8000C/mol D) 7200 C/mol 11 / 25 1Vatt.soat necha Jaulga teng ? A) 5600 J B) 3600 J C) 5000 J D) 360 J 12 / 25 220 V kuchlanishda 5 A tok olib ishlaydigan dazmolning quvvatini toping ? A) 110W B) 1,1 kW C) 220 W D) 100 W 13 / 25 Natriy (Na) atomida nechta electron bor ? A) 9 ta B) 10 ta C) 12 ta D) 11 ta 14 / 25 220 V kuchlanishda 0,25 A tok olib yonayotgan elektr lampochkadagi tokning quvvatini toping ? A) 5,5 W B) 500 W C) 550 W D) 55 W 15 / 25 Gaz orqali elektr toki o’tish jarayoni …..deyiladi ? A) Elektroliz B) Uchqun C) Ion bog’lanish D) Gaz razryadi 16 / 25 Kuchlanishni o’lchaydigan asbob nima diyeladi? A) elektroskop B) ampermetr C) voltmeter D) elektrometr 17 / 25 Elektr zanjirida 2 m va ko’ndalang kesimining yuzi 0,5 mm2 bo’lgan nixrom simning qarshiligini toping ? A) 220 Ω B) 4,4 Ω C) 2,2 Ω D) 440 Ω 18 / 25 Elektr qashiligi formulasi qaysi javobda keltirilgan? A) I=qt B) R=U/I C) R=ρl/S D) Q=I^2Rt 19 / 25 Tok kuchining o'lchov birligi nima? A) Volt B) Joul C) Kulon D) Amper 20 / 25 Elektr zanjirda tokni rostlash uchun qo’llaniladigan turli qarshilikli elektr asbobi qanday nomlanadi ? A) elektrometr B) potensiyometr C) elektroskop D) rezistor 21 / 25 Kosmik kemani kim yaratdi? A) Y. A. Gagarin B) Siyolkovskiy C) Korolyov D) to'g'ri javob yo'q 22 / 25 Quyidagi formulalardan qaysi biri kuch momentini formulasi. A) v=s/t B) F=mg C) M=F/L D) M=FL 23 / 25 Kuchlanishni o'lchash uchun qanday asbobdan foydalaniladi? A) hamma javoblar to'g'ri B) Elektroskop C) voltmetr D) Dinamometr 24 / 25 Zaryadlangan jism atrofida nima hosil bo'ladi? A) hamma zaryadlar tortiladi B) magnit maydoni C) Elektr maydoni D) hech nima hosil bo'lmaydi 25 / 25 Birinchi kosmik tezlik qanchaga teng? A) 11,1 km/s B) 11,2 km/s C) 7,9 km/s D) 8,4km/s 0% Testni qayta ishga tushiring Baholash mezoni 86%-100% 5 baho 71%-85% 4 baho 56%-70% 3 baho 55% va kamiga 2 baho Fikr-mulohaza yuboring Tomonidan Wordpress Quiz plugin Author: InfoMaster Foydali bo'lsa mamnunmiz