8-sinf Fizika 2-chorak May 5, 2021May 5, 2021 da chop etilgan InfoMaster tomonidan 8-sinf Fizika 2-chorak ga fikr bildirilmagan. 12 Tomonidan yaratilgan InfoMaster 8-sinf Fizika 2-chorak Testni Shirinboyev Temurbek tayyorladi. 1 / 25 Zaryadli zarralarning tartibli harakati,ya’ni oqiminima deb nomlanadi? A) Zaryad B) Elektr toki C) Musbat zaryad D) Tok kuchi 2 / 25 Atom yadrosida ikkita proton va ikkita neytron bor. Undagi elektronlar soni nechta? A) 0 ta B) 2 ta C) 6 ta D) 4 ta 3 / 25 Elektr doimiysining son qiymati nechaga teng? A) 8,85*10^-12C^2/N*m^2 B) 3*10^-19 C C) -3*10^-19 C D) 9,1*10^-31kg 4 / 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) 5 A C) 2 A D) 4 A 5 / 25 Akkumulator so’zining ma’nosi nima ? A) To’plovchi B) Zaryad oqimi C) Zaryadlovchi D) Tok manbayi 6 / 25 Zaryadi -5*10-8 C bo’lgan nuqtaviy zaryadning 3 sm msofada hosil qilgan elektr maydon kuchlanganligini toping? A) 5*10‾⁵ N/C B) 6*10⁴ N/C C) 5*10⁵ N/C D) 5,1*10⁶ N/C 7 / 25 Qahrabo so’zining ma’nosi nima ? A) Manfiy B) Qattiq rezina C) Elektrlanuvchi D) Somon tortuvchi 8 / 25 Elektr zaryadlarini to’plash uchun mo’ljallangan asbob qanday nomlanadi? A) kondensator B) Ampermetr C) Areometr D) Voltmetr 9 / 25 Elektr zaryadining o’lchov birligi nima ? A) Joul B) Amper C) kulon D) volt 10 / 25 Atom so’zining ma’nosi nima ? A) Bo’linmas B) Zaryad C) Musbat zaryad D) Elektr zaryat 11 / 25 bu shartli belgi qanday nomlanadi? A) Kalit B) O’tkazgichlarning tutashtirmasdan kesishishi C) Tok manbayi D) Qo’ng’iroq 12 / 25 O’lchami va shakli hisobga olinmaydigan zaryadlangan jism qanday nomlanadi ? A) Musbat zaryad B) Nuqtaviy zaryad C) Manfiy zaryad D) Elementar zaryad 13 / 25 Jismlarning elektrlanganligini sezish ,kuzatish uchun qo’llaniladigan asbob qanday nomlanadi ? A) spedometr B) Barametr C) Areometr D) Elektroskop 14 / 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 15 / 25 Tok kuchining o'lchov birligi nima? A) Volt B) Kulon C) Joul D) Amper 16 / 25 Rezistor uchlaridagi kuchlanish 9 V ga teng . Unda 0,5 A tok utishi uchun uning qarshiligi qancha bo’lishi kerak ? A) 18 Ω B) 20 Ω C) 44 Ω D) 44.4 Ω 17 / 25 Tok kuchi formulasi keltirilgan javobni aniqlang? A) R=U/I B) Q=ItU C) U=A/q D) I=q/t 18 / 25 Elektr qashiligi formulasi qaysi javobda keltirilgan? A) Q=I^2Rt B) R=ρl/S C) R=U/I D) I=qt 19 / 25 Tok kuchini o’lchaydigan asbob qanday nomlanadi ? A) Elektroskop B) Voltmetr C) Elektrometr D) Ampermetr 20 / 25 Elekt kuchlanishi formulasi berilgan javobni ko’rsating. A) I=q/t B) U=A|q C) E=U/d D) F=kq/r^2 21 / 25 Elektr zanjirlaridagi Lampochkadan 0,2 A tok o’moqda lampochka speraliorqali 1 minutda nechakulon zaryad o’tadi ? A) 12 C B) 15 C C) 24 C D) 10 C 22 / 25 Uyali telefon iste'mol qiladigan tok kuchi qanchaga teng ? A) 0.4 A B) 0,5 A C) 0,1 A D) 0,2 A 23 / 25 Rezistor so’zining manosi nima ? A) Qarshilik B) Zaryad C) Kuchlanish D) Tok kuchi 24 / 25 Elektr qarshiligi qaysi harf bilan belgilanadi? A) U B) L C) J D) R 25 / 25 Temir moddasining (200C da) solishtirma qashiligi nechaga teng? A) 0,4 B) 0.5 C) 0.017 D) 0,098 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 Fizika choraklik