Uy » Choraklik online testlar » Fizika choraklik » 8-sinf Fizika 3-chorak Fizika choraklik 8-sinf Fizika 3-chorak InfoMaster May 5, 2021 372 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 3 0 8-sinf Fizika 3-chorak Testni Shirinboyev Temurbek tayyorladi. 1 / 25 Tok kuchini o’lchaydigan asbob qanday nomlanadi ? A) Voltmetr B) Elektroskop C) Ampermetr D) Elektrometr 2 / 25 Elektr zanjiridagi lampochkadan 5 minutda 30 C zaryad o’tgani ma’lum. Zanjirdagi ampermetr lampochkadan qancha tok o’tayotganini ko’rsating? A) 0,4 A B) 6 A C) 0,1 A D) 0,5 A 3 / 25 Rezistor so’zining manosi nima ? A) Tok kuchi B) Kuchlanish C) Zaryad D) Qarshilik 4 / 25 Elektr qarshiligi qaysi harf bilan belgilanadi? A) R B) U C) J D) L 5 / 25 Elektr zanjirida 2 m va ko’ndalang kesimining yuzi 0,5 mm2 bo’lgan nixrom simning qarshiligini toping ? A) 220 Ω B) 2,2 Ω C) 440 Ω D) 4,4 Ω 6 / 25 Elekt kuchlanishi formulasi berilgan javobni ko’rsating. A) E=U/d B) I=q/t C) U=A|q D) F=kq/r^2 7 / 25 Kuchlanishni o’lchaydigan asbob nima diyeladi? A) elektrometr B) voltmeter C) ampermetr D) elektroskop 8 / 25 Elektr janjiridagi lampochkadan ma’lum vaqt davomida 25 c zaryad o’tib , 75 J ish bajarildi,lampochka qanday elektr kuchlanish ostida yongan? A) 12 V B) 3 v C) 15 V D) 25 V 9 / 25 Xonadonlardagi elect tarmog’ining kuchlanishi nechaga teng? A) 5V B) 1,5 V C) 500 kV D) 220 V 10 / 25 Elektr qashiligi formulasi qaysi javobda keltirilgan? A) I=qt B) Q=I^2Rt C) R=ρl/S D) R=U/I 11 / 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 12 / 25 Elektr zanjirda tokni rostlash uchun qo’llaniladigan turli qarshilikli elektr asbobi qanday nomlanadi ? A) elektrometr B) rezistor C) potensiyometr D) elektroskop 13 / 25 Elekt kuchlanishining ulchov birligi nima? A) Kulon B) Amper C) Sekund D) Volt 14 / 25 Elektrolidan tok o’tayotganda elektrodlarda modda ajralib chiqish hodisasi……deb ataladi A) Eletroliz B) Ion bog’lanish C) Suvli eritma D) Turli eritma 15 / 25 1Vatt.soat necha Jaulga teng ? A) 3600 J B) 5600 J C) 360 J D) 5000 J 16 / 25 Ionlar orasida Kulon kuchi tufayli vijudga keladigan kimyoviy bog’lanish……deb ataladi? A) Elektrolitlar B) Kovalent bog’lanish C) Ionli bog’lanish D) Qutbli bog’lanish 17 / 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) 0.5 Ω B) 0.4 Ω C) 0.2 Ω D) 1 Ω 18 / 25 bu shartli belgi qanday nomlanadi? A) Qo’ng’iroq B) O’tkazgichlarning tutashtirmasdan kesishishi C) Kalit D) Tok manbayi 19 / 25 Jismlarning elektrlanganligini sezish ,kuzatish uchun qo’llaniladigan asbob qanday nomlanadi ? A) Areometr B) Barametr C) spedometr D) Elektroskop 20 / 25 Bitta elektron massasi nechaga teng ? A) 8,81*10^-19kg B) 9,1*10^-31kg C) 1,6*10^-19kg D) 3,36*10^-32kg 21 / 25 Zaryadli zarralarning tartibli harakati,ya’ni oqiminima deb nomlanadi? A) Zaryad B) Tok kuchi C) Musbat zaryad D) Elektr toki 22 / 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 23 / 25 Atom yadrosida ikkita proton va ikkita neytron bor. Undagi elektronlar soni nechta? A) 2 ta B) 0 ta C) 4 ta D) 6 ta 24 / 25 Elektr sig’imining o’lchov birligi nima ? A) Farad B) amper C) Kulon D) Sekund 25 / 25 Akkumulator so’zining ma’nosi nima ? A) To’plovchi B) Zaryadlovchi C) Tok manbayi D) Zaryad oqimi 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 Author: InfoMaster Foydali bo'lsa mamnunmiz
