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Elektr energiyasi bo'yicha test

Authored by Sherzod Dusqobilov

Physics

7th Grade

Used 1+ times

Elektr energiyasi bo'yicha test
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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

Media Image

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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