Uy » Choraklik online testlar » Fizika choraklik » 8-sinf Fizika 3-chorak Fizika choraklik 8-sinf Fizika 3-chorak InfoMaster May 5, 2021 1540 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 5 0 Tomonidan yaratilgan InfoMaster 8-sinf Fizika 3-chorak Testni Shirinboyev Temurbek tayyorladi. 1 / 25 220 V kuchlanishda 5 A tok olib ishlaydigan dazmolning quvvatini toping ? A) 100 W B) 220 W C) 110W D) 1,1 kW 2 / 25 Elektr toki bajargan ishining asosiy birligi nima? A) Vatt sekund B) Paskal C) Volt D) amper 3 / 25 Faradey doimiysining son qiymatini toping ? A) 8000C/mol B) 7200 C/mol C) 96500 C/mol D) 7800 C/mol 4 / 25 Ionlar orasida Kulon kuchi tufayli vijudga keladigan kimyoviy bog’lanish……deb ataladi? A) Ionli bog’lanish B) Kovalent bog’lanish C) Qutbli bog’lanish D) Elektrolitlar 5 / 25 1Vatt.soat necha Jaulga teng ? A) 3600 J B) 5600 J C) 5000 J D) 360 J 6 / 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 7 / 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) 5,4*10‾⁴ N B) 270 N C) 2*10‾⁸ N D) 5*10‾⁸ N 8 / 25 bu shartli belgi qanday nomlanadi? A) Kalit B) Qo’ng’iroq C) O’tkazgichlarning tutashtirmasdan kesishishi D) Tok manbayi 9 / 25 Elektr doimiysining son qiymati nechaga teng? A) 9,1*10^-31kg B) 8,85*10^-12C^2/N*m^2 C) 3*10^-19 C D) -3*10^-19 C 10 / 25 Elektr zaryadlarini to’plash uchun mo’ljallangan asbob qanday nomlanadi? A) Areometr B) kondensator C) Voltmetr D) Ampermetr 11 / 25 Bitta elektron massasi nechaga teng ? A) 3,36*10^-32kg B) 9,1*10^-31kg C) 1,6*10^-19kg D) 8,81*10^-19kg 12 / 25 Qahrabo so’zining ma’nosi nima ? A) Somon tortuvchi B) Elektrlanuvchi C) Manfiy D) Qattiq rezina 13 / 25 Shoyi matoga ishqalangan shisha tayoqcha qanday ishorada elektrlanib qoladi? A) Elektrlanmaydi B) Manfiy C) to'g'ri javob yo'q D) Musbat 14 / 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) 0.2 Ω B) 0.4 Ω C) 1 Ω D) 0.5 Ω 15 / 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) 5*10⁵ N/C C) 6*10⁴ N/C D) 5,1*10⁶ N/C 16 / 25 Elektrlanishning necha turi mavjud ? A) 5 B) 4 C) 3 D) 2 17 / 25 Elektr sig’imining o’lchov birligi nima ? A) Sekund B) amper C) Kulon D) Farad 18 / 25 O’lchami va shakli hisobga olinmaydigan zaryadlangan jism qanday nomlanadi ? A) Musbat zaryad B) Manfiy zaryad C) Elementar zaryad D) Nuqtaviy zaryad 19 / 25 Elekt kuchlanishi formulasi berilgan javobni ko’rsating. A) I=q/t B) F=kq/r^2 C) E=U/d D) U=A|q 20 / 25 Elektr zanjirlaridagi Lampochkadan 0,2 A tok o’moqda lampochka speraliorqali 1 minutda nechakulon zaryad o’tadi ? A) 15 C B) 24 C C) 12 C D) 10 C 21 / 25 Uyali telefon iste'mol qiladigan tok kuchi qanchaga teng ? A) 0,5 A B) 0.4 A C) 0,2 A D) 0,1 A 22 / 25 Tok kuchini o’lchaydigan asbob qanday nomlanadi ? A) Ampermetr B) Elektroskop C) Elektrometr D) Voltmetr 23 / 25 Rezistor so’zining manosi nima ? A) Kuchlanish B) Tok kuchi C) Qarshilik D) Zaryad 24 / 25 Tok kuchining o'lchov birligi nima? A) Volt B) Kulon C) Joul D) Amper 25 / 25 Rezistor uchlaridagi kuchlanish 9 V ga teng . Unda 0,5 A tok utishi uchun uning qarshiligi qancha bo’lishi kerak ? A) 20 Ω B) 44 Ω C) 44.4 Ω D) 18 Ω 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
