Uy » Choraklik online testlar » Fizika choraklik » 8-sinf Fizika 4-chorak Fizika choraklik 8-sinf Fizika 4-chorak InfoMaster May 5, 2021 486 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 Bitta elektron zaryadi nechaga teng ? A) 9,1*10^-31C B) 2,01*10^-19C C) 8,81*10^-19 D) 1,6*10^-19C 2 / 25 Shoyi matoga ishqalangan shisha tayoqcha qanday ishorada elektrlanib qoladi? A) to'g'ri javob yo'q B) Elektrlanmaydi C) Manfiy D) Musbat 3 / 25 Qahrabo so’zining ma’nosi nima ? A) Manfiy B) Somon tortuvchi C) Qattiq rezina D) Elektrlanuvchi 4 / 25 Ishqalangan jismlarning tortishish hodisasini birinchi bo’lib kim aytgan? A) grek olimi Arximed B) hamma javoblar to'g'ri C) yunon olimi Fales Miletskiy D) yunon olimi Aristotel 5 / 25 O’lchami va shakli hisobga olinmaydigan zaryadlangan jism qanday nomlanadi ? A) Nuqtaviy zaryad B) Musbat zaryad C) Elementar zaryad D) Manfiy zaryad 6 / 25 Atom yadrosida ikkita proton va ikkita neytron bor. Undagi elektronlar soni nechta? A) 4 ta B) 2 ta C) 6 ta D) 0 ta 7 / 25 Atom tuzilishi modulini kim kashf etgan ? A) Beruniy B) Demokret C) Kulon D) Rezerfort 8 / 25 Akkumulator so’zining ma’nosi nima ? A) Tok manbayi B) Zaryad oqimi C) Zaryadlovchi D) To’plovchi 9 / 25 Tok kuchining o'lchov birligi nima? A) Amper B) Kulon C) Volt D) Joul 10 / 25 Rezistor so’zining manosi nima ? A) Kuchlanish B) Zaryad C) Tok kuchi D) Qarshilik 11 / 25 Uyali telefon iste'mol qiladigan tok kuchi qanchaga teng ? A) 0.4 A B) 0,1 A C) 0,2 A D) 0,5 A 12 / 25 Elektr zanjirida 2 m va ko’ndalang kesimining yuzi 0,5 mm2 bo’lgan nixrom simning qarshiligini toping ? A) 4,4 Ω B) 220 Ω C) 2,2 Ω D) 440 Ω 13 / 25 Temir moddasining (200C da) solishtirma qashiligi nechaga teng? A) 0.017 B) 0,098 C) 0,4 D) 0.5 14 / 25 Abu Rayhon Beruniy o’z asarlarida magnitni qanday nom bilan atagan ? A) Ohangrabo-temirni tortuvchi B) Doimiy magnitlar C) Suniy magnitlar D) Tabiy magnitlar 15 / 25 Elektrolizdan foydalanib ,buyumlarning sirtini qiyin oksidlanadigan metallar bilan qoplash….deyiladi ? A) Ion bog’lanish B) Galvonaplastina C) Galvonastegiya D) eletrlolez 16 / 25 Bitta atom massasini topish formulasini ko’rsating ? A) ν=m/µ B) to'g'ri javob yo'q C) m=µ/N D) N=mn∆z 17 / 25 Elektr tokining bajargan ishini formulasini ko’rsating toping ? A) R=UI B) A=UIT C) J=q/t D) Q=I^2RT 18 / 25 Elektr tokining quvvati formulasini ko’rsating ? A) N=A/t B) P=IU C) R=I/U D) I=q/t 19 / 25 Gaz orqali elektr toki o’tish jarayoni …..deyiladi ? A) Ion bog’lanish B) Elektroliz C) Uchqun D) Gaz razryadi 20 / 25 Elektrolidan tok o’tayotganda elektrodlarda modda ajralib chiqish hodisasi……deb ataladi A) Turli eritma B) Eletroliz C) Suvli eritma D) Ion bog’lanish 21 / 25 Yerning birinchi sun'iy yo'ldoshi qachon uchirildi? A) 1957 yil 4 oktyabr B) 1959 yil 14 sentyabr C) 1961 yil 12 aprel. D) hamma zaryadlar tortiladi 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 Atmosfera bosimi qanday asbob bilan o'lchanadi? A) Monometr B) Barometr C) laktometr D) Termometr 24 / 25 Jism impulsi birligini ko'rsating A) kg*m/s B) kg C) m/s^2 D) N*S 25 / 25 Trubalarda va ariqlarda tor joyida suvning bosimi qanday bo'ladi? A) teng B) Kichik C) Hamma joyida bir xil. D) katta 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