8-sinf Fizika 1-chorak Posted on May 5, 2021May 5, 2021 By InfoMaster 8-sinf Fizika 1-chorak ga fikr bildirilmagan. 4 8-sinf Fizika 1-chorak Testni Shirinboyev Temurbek tayyorladi. 1 / 25 Shoyi matoga ishqalangan shisha tayoqcha qanday ishorada elektrlanib qoladi? A) Elektrlanmaydi B) to'g'ri javob yo'q C) Manfiy D) Musbat 2 / 25 Ishqalangan jismlarning tortishish hodisasini birinchi bo’lib kim aytgan? A) yunon olimi Fales Miletskiy B) grek olimi Arximed C) yunon olimi Aristotel D) hamma javoblar to'g'ri 3 / 25 Elektr zanjirida ketma-ket ulangan iste`molchilar qarshiliklari 80, 120 va 200 Om dan iborat. Umumiy kuchlanish 220 V bo`lsa, uchinchi iste`molchidagi kuchlanish tushuvini toping A) 220 V B) 180 V C) 44 V D) 110 V 4 / 25 Elektr zaryadlarini to’plash uchun mo’ljallangan asbob qanday nomlanadi? A) Areometr B) Ampermetr C) Voltmetr D) kondensator 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 Zaryadi -5*10-8 C bo’lgan nuqtaviy zaryadning 3 sm msofada hosil qilgan elektr maydon kuchlanganligini toping? A) 5*10⁵ N/C B) 5,1*10⁶ N/C C) 5*10‾⁵ N/C D) 6*10⁴ N/C 7 / 25 Qahrabo so’zining ma’nosi nima ? A) Somon tortuvchi B) Qattiq rezina C) Elektrlanuvchi D) Manfiy 8 / 25 Bir-biridan 10sm masofada turgan sharchalardanbirining zaryadi -2*10-8 C, ikkinchisiniki esa 3*10-8C ga teng. Ular qanday kuch bilan tortishadi? A) 5*10‾⁸ N B) 270 N C) 2*10‾⁸ N D) 5,4*10‾⁴ N 9 / 25 O’lchami va shakli hisobga olinmaydigan zaryadlangan jism qanday nomlanadi ? A) Manfiy zaryad B) Musbat zaryad C) Elementar zaryad D) Nuqtaviy zaryad 10 / 25 Akkumulator so’zining ma’nosi nima ? A) Zaryad oqimi B) Tok manbayi C) To’plovchi D) Zaryadlovchi 11 / 25 Elektr sig’imining o’lchov birligi nima ? A) Sekund B) Farad C) amper D) Kulon 12 / 25 Bitta elektron zaryadi nechaga teng ? A) 1,6*10^-19C B) 8,81*10^-19 C) 2,01*10^-19C D) 9,1*10^-31C 13 / 25 Qarshiliklari 200 Ω va 300 Ω bo`lgan ikkita elektr lampa parallel ulanib, 240 V tarmoqqa kiritilgan. Umumiy tok kattaligini toping. A) 1.8 A B) 2 A C) 4 A D) 5 A 14 / 25 Elektr doimiysining son qiymati nechaga teng? A) 8,85*10^-12C^2/N*m^2 B) 9,1*10^-31kg C) 3*10^-19 C D) -3*10^-19 C 15 / 25 Atom so’zining ma’nosi nima ? A) Elektr zaryat B) Zaryad C) Bo’linmas D) Musbat zaryad 16 / 25 Elektr zaryadining o’lchov birligi nima ? A) volt B) kulon C) Joul D) Amper 17 / 25 Atom yadrosida ikkita proton va ikkita neytron bor. Undagi elektronlar soni nechta? A) 0 ta B) 4 ta C) 6 ta D) 2 ta 18 / 25 Bitta elektron massasi nechaga teng ? A) 9,1*10^-31kg B) 1,6*10^-19kg C) 3,36*10^-32kg D) 8,81*10^-19kg 19 / 25 Elektrlanishning necha turi mavjud ? A) 2 B) 4 C) 3 D) 5 20 / 25 Jismlarning elektrlanganlikdarajasini aniqlovchisbob qanday nomlanadi ? A) Elektrometr B) Elektroskop C) Dinomometr D) Barometr 21 / 25 bu shartli belgi qanday nomlanadi? A) Qo’ng’iroq B) Kalit C) Tok manbayi D) O’tkazgichlarning tutashtirmasdan kesishishi 22 / 25 Atom tuzilishi modulini kim kashf etgan ? A) Kulon B) Beruniy C) Rezerfort D) Demokret 23 / 25 Ikkita o`tkazgichlar avval ketma- ket, so`ngra parallel ulandi. Bunda uning umumiy qarsiligi qanday o`zgaradi? A) 2 marta ortadi B) 2 marta kamayadi C) o`zgarmaydi D) 4 marta kamaydi 24 / 25 Jismlarning elektrlanganligini sezish ,kuzatish uchun qo’llaniladigan asbob qanday nomlanadi ? A) spedometr B) Barametr C) Elektroskop D) Areometr 25 / 25 Zaryadli zarralarning tartibli harakati,ya’ni oqiminima deb nomlanadi? A) Zaryad B) Elektr toki C) Musbat zaryad D) Tok kuchi 0% Testni qayta ishga tushiring Baholash mezoni86%-100% 5 baho71%-85% 4 baho56%-70% 3 baho55% va kamiga 2 baho Fikr-mulohaza yuboring Author: InfoMaster 6Yoqdi1Yoqmadi86% LikesVS14% Dislikes Fizika
