1-dars Sana: Mavzu: Jismlarning elektrlanishi Darsning maqsadi

3. Induksion tok kattaligi nimalarga bog’liq?

A) g’latakdagi o’ramlar soniga B) g’altak diametriga C) magnitning harakatlanish tezligiga

D) hamma javob to’g’ri
4. O’zgaruvchan tok o’tayotgan o’tkazgichdagi kuchlanishni transpormatsiyalaydigan asbob?

A) transformator B) induksion tok C) elektrostansiya D) rotor

5. Elektr energiyasini uzatish liniyalarida energiya isrofini kamaytirish uchun….

A) tok kuchini o’zgartirmay saqlanadi B) tok kuchini kamaytirib, kuchlanishni orttiradi

C) tok kuchini orttirish orqali D) kuchlanishni kamaytirish orqali
6. 220 V kuchlanishli tarmoqqa ulangan transformatorning birlamchi chulg’amidagi o’ramlar soni 40 ta bo’lsa, ikkilamchi chulg’amida 660 V li kuchlanishni hosil qilish uchun undagi o’ramlar soni nechta bo’lishi kerak?

A) 220 B) 110 C) 880 D) 120