Uy » Choraklik online testlar » Fizika choraklik » 8-sinf Fizika 4-chorak Fizika choraklik 8-sinf Fizika 4-chorak InfoMaster May 5, 2021 473 Ko'rishlar 0 SaqlashSaqlanganOlib tashlandi 3 0 Tomonidan yaratilgan InfoMaster 8-sinf Fizika 4-chorak Testni Shirinboyev Temurbek tayyorladi. Ma'lumotlaringizni kriting. IsmTelefon raqami 1 / 25 Natriy (Na) atomida nechta electron bor ? A) 9 ta B) 11 ta C) 10 ta D) 12 ta 2 / 25 Tok o’tayotgan o’tkazgich atrofida magnit maydon bor ekanligini ko’rsatgan tajriba qaysi olim nomi bilanbog’liq ? A) Joul B) Ersted C) Amper D) Volta 3 / 25 Gaz orqali elektr toki o’tish jarayoni …..deyiladi ? A) Ion bog’lanish B) Elektroliz C) Gaz razryadi D) Uchqun 4 / 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) 0.4 Ω C) 0.5 Ω D) 0.2 Ω 5 / 25 Akkumulator so’zining ma’nosi nima ? A) Zaryad oqimi B) To’plovchi C) Tok manbayi D) Zaryadlovchi 6 / 25 Elektr sig’imining o’lchov birligi nima ? A) Kulon B) Sekund C) Farad D) amper 7 / 25 Zaryadli zarralarning tartibli harakati,ya’ni oqiminima deb nomlanadi? A) Tok kuchi B) Elektr toki C) Musbat zaryad D) Zaryad 8 / 25 bu shartli belgi qanday nomlanadi? A) Kalit B) O’tkazgichlarning tutashtirmasdan kesishishi C) Qo’ng’iroq D) Tok manbayi 9 / 25 Bitta elektron zaryadi nechaga teng ? A) 2,01*10^-19C B) 8,81*10^-19 C) 9,1*10^-31C D) 1,6*10^-19C 10 / 25 Jismlarning elektrlanganligini sezish ,kuzatish uchun qo’llaniladigan asbob qanday nomlanadi ? A) Areometr B) Barametr C) spedometr D) Elektroskop 11 / 25 Elektr zaryadining o’lchov birligi nima ? A) Joul B) kulon C) Amper D) volt 12 / 25 Xonadonlardagi elect tarmog’ining kuchlanishi nechaga teng? A) 500 kV B) 220 V C) 1,5 V D) 5V 13 / 25 Elekt kuchlanishining ulchov birligi nima? A) Amper B) Volt C) Sekund D) Kulon 14 / 25 Uyali telefon iste'mol qiladigan tok kuchi qanchaga teng ? A) 0,1 A B) 0.4 A C) 0,5 A D) 0,2 A 15 / 25 Elektr zanjiridagi lampochkada parallel ulangan voltmeter 1,5 V ni ko’rsatmoqda. Lampochkadan 10 c zaryad o’tganda qancha ish bajariladi A) 220 J B) 15 J C) 155 J D) 20 J 16 / 25 Kuchlanishni o’lchaydigan asbob nima diyeladi? A) elektroskop B) elektrometr C) voltmeter D) ampermetr 17 / 25 Uzunligi 1 m, ko’ndalang kesimining yuzi 0,4 mm2 bo’lgan nikelin simning uchlaridagi kuchlanish 2 V gat eng. Shu elektr zanjir orqali o’tayotgan tok kuchini aniqlang? A) 4 A B) 0,8 A C) 2 A D) 9 A 18 / 25 Elektr zanjirlaridagi Lampochkadan 0,2 A tok o’moqda lampochka speraliorqali 1 minutda nechakulon zaryad o’tadi ? A) 15 C B) 10 C C) 24 C D) 12 C 19 / 25 Suyuqlik oqimining tezligi bilan uning bosimi orasidagi miqdoriy bog'lanishni kim topdi? A) Arximet B) Paskal C) Torichelli D) Bemueli 20 / 25 Kuch impulsini topish formulasini ko'rsating? A) P=m*v B) F=m*g C) F=m*a D) I=F*t 21 / 25 Birinchi kosmik tezlik berilganda kosmik kema yer sirtida qanday harakatlanadi? A) Aylana bo'ylab B) Parobola bo'ylab C) Ellips bo'ylab D) hamma javob to'g'ri 22 / 25 Zaryadlar qanday o'zaro ta'sirlashadi? A) hamma zaryadlar tortiladi B) bir xil ishorali zaryadlar itarishadi, har xil ishoraki zaryadlar tortiladi C) hamma zaryadlar tortiladi va itarishadi D) to'g'ri javob yo'q 23 / 25 Qanday kuch jismni 0,5 masofaga ko'chirilganda 100 J ish bajaradi? A) 20 N B) 100N C) 200 N D) 50 N 24 / 25 Kuchlanishni o'lchash uchun qanday asbobdan foydalaniladi? A) hamma javoblar to'g'ri B) voltmetr C) Dinamometr D) Elektroskop 25 / 25 Trubalarda va ariqlarda tor joyida suvning bosimi qanday bo'ladi? A) katta B) Kichik C) Hamma joyida bir xil. D) teng 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 Author: InfoMaster Foydali bo'lsa mamnunmiz