Uy » Choraklik online testlar » Fizika choraklik » 8-sinf Fizika 3-chorak Fizika choraklik 8-sinf Fizika 3-chorak InfoMaster May 5, 2021 561 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 3 0 Tomonidan yaratilgan InfoMaster 8-sinf Fizika 3-chorak Testni Shirinboyev Temurbek tayyorladi. 1 / 25 Jismlarning elektrlanganligini sezish ,kuzatish uchun qo’llaniladigan asbob qanday nomlanadi ? A) Barametr B) spedometr C) Elektroskop D) Areometr 2 / 25 Jismlarning elektrlanganlikdarajasini aniqlovchisbob qanday nomlanadi ? A) Dinomometr B) Barometr C) Elektroskop D) Elektrometr 3 / 25 O’lchami va shakli hisobga olinmaydigan zaryadlangan jism qanday nomlanadi ? A) Nuqtaviy zaryad B) Elementar zaryad C) Musbat zaryad D) Manfiy zaryad 4 / 25 Qarshiliklari 200 Ω va 300 Ω bo`lgan ikkita elektr lampa parallel ulanib, 240 V tarmoqqa kiritilgan. Umumiy tok kattaligini toping. A) 4 A B) 5 A C) 1.8 A D) 2 A 5 / 25 Elektr zaryadlarini to’plash uchun mo’ljallangan asbob qanday nomlanadi? A) Ampermetr B) Voltmetr C) kondensator D) Areometr 6 / 25 Akkumulator so’zining ma’nosi nima ? A) To’plovchi B) Zaryad oqimi C) Zaryadlovchi D) Tok manbayi 7 / 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) 180 V B) 44 V C) 110 V D) 220 V 8 / 25 Atom so’zining ma’nosi nima ? A) Elektr zaryat B) Zaryad C) Bo’linmas D) Musbat zaryad 9 / 25 Elektr toki bajargan ishining asosiy birligi nima? A) amper B) Paskal C) Volt D) Vatt sekund 10 / 25 Ionlar orasida Kulon kuchi tufayli vijudga keladigan kimyoviy bog’lanish……deb ataladi? A) Ionli bog’lanish B) Qutbli bog’lanish C) Kovalent bog’lanish D) Elektrolitlar 11 / 25 Gaz orqali elektr toki o’tish jarayoni …..deyiladi ? A) Gaz razryadi B) Ion bog’lanish C) Uchqun D) Elektroliz 12 / 25 Elektr tokining bajargan ishini formulasini ko’rsating toping ? A) A=UIT B) J=q/t C) Q=I^2RT D) R=UI 13 / 25 Bug’ mashinasini kim kashf etgan ? A) Volta B) Jems Uatt C) Amper D) Kulon 14 / 25 1Vatt.soat necha Jaulga teng ? A) 3600 J B) 5600 J C) 5000 J D) 360 J 15 / 25 Elektr tokining quvvati formulasini ko’rsating ? A) N=A/t B) P=IU C) I=q/t D) R=I/U 16 / 25 Faradey doimiysining son qiymatini toping ? A) 7200 C/mol B) 96500 C/mol C) 8000C/mol D) 7800 C/mol 17 / 25 Elektrolidan tok o’tayotganda elektrodlarda modda ajralib chiqish hodisasi……deb ataladi A) Ion bog’lanish B) Eletroliz C) Turli eritma D) Suvli eritma 18 / 25 Tok kuchi formulasi keltirilgan javobni aniqlang? A) Q=ItU B) R=U/I C) U=A/q D) I=q/t 19 / 25 Elektr zanjiridagi lampochkada parallel ulangan voltmeter 1,5 V ni ko’rsatmoqda. Lampochkadan 10 c zaryad o’tganda qancha ish bajariladi A) 15 J B) 20 J C) 220 J D) 155 J 20 / 25 Elektr qarshiligi qaysi harf bilan belgilanadi? A) U B) R C) J D) L 21 / 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 22 / 25 Elektr zanjiridagi lampochkadan 5 minutda 30 C zaryad o’tgani ma’lum. Zanjirdagi ampermetr lampochkadan qancha tok o’tayotganini ko’rsating? A) 0,1 A B) 0,5 A C) 6 A D) 0,4 A 23 / 25 Kuchlanishni o’lchaydigan asbob nima diyeladi? A) elektroskop B) ampermetr C) elektrometr D) voltmeter 24 / 25 Elekt kuchlanishining ulchov birligi nima? A) Amper B) Volt C) Sekund D) Kulon 25 / 25 Tok kuchining o'lchov birligi nima? A) Amper B) Joul C) Volt D) Kulon 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
