
Elektr energiyasi bo'yicha test
Authored by Sherzod Dusqobilov
Physics
7th Grade
Used 1+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elektr stansiyaning qaysi bosqichi kimyoviy energiyani issiqlik energiyasiga aylantirib beradi ?
O'choq va qozon
Generator
Turbina
kondensator
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atom elektr stansiyasida elektr energiyasini ishlab chiqarish uchun qaysi energiya manbalaridan foydalaniladi ?
Atomlarni qayta guruhlashning har xil turlari
Og'ir yadrolarning bo'linishi
Radioaktiv izotoplarning parchalanishi
Yadrolarning birlashishi
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ikki kichik yadro birlashib, yangi og'irroq yadro hosil bo'lganda energiya ajralib chiqish jarayoni qanday ataladi ?
Yadro sintezi
Yadro bo'linshi
Yadro oqimi
Yadroviy energiya
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Og'irligi 700 N bo'lgan yashikni qiya tekislik bo'ylab yuqoriga olib chiqishda tortuvchi kuch bajargan ishni aniqlang ?
2100 J
2000 J
14000 J
300 J
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Generatorning energiya chiqishi uning samaradorligi va sarflangan energiya jadvali berilgan qaysi qiymatlar to'plami to'g'ri berilgan ?
0,1 50 MJ 25 MJ
0,2 30 MJ 6 MJ
0,4 120 MJ 30 MJ
0,1 60 MJ 24 MJ
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Massasi 5 kg bo'lgan jisim poldan doimiy balandlikda joylashgan xona bo'ylab 4 m masofaga olib o'tildi bunda jisimning og'irligi qancha ish bajardi ?
0 J
20 J
50 J
200 J
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kran 1000 N og'irlikdagi yukni 30 m balandlikga vertikal ko'tardi, bunda u 60 000 J energiya sarfladi. Kranning samaradorligi qanday ?
20 %
30 %
50 %
200 %
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