sinf chorak variant

16. Tebranish konturi deb nimaga aytiladi?
________________________________________________________________________
17. Magnit oqimning formulasini yozing ?
_______________________________________________
18.Tok kuchi 8 A bo’lganda 16 mVb magnit oqim hosil qiladigan konturning induktivligi qanday (mGn).
________________________________________________________________________
19. Tokli o’tkazgichlarning bir-biriga o’zaro ta’sir kuchi ...... kuchlar deyiladi?
___________________________________________________


20. Tebranish konturining induktivligini va sig’imini 4 marta oshirsak, kontur tebranishning davri qanday o’zgaradi?
______________________________________________________________________
21. Konturni kesib o'tuvchi magnit oqimi 2 s ichida 22Vb dan 2Vb gacha tekis kamaydi. Konturda hosil bo'lgan induksiya elektr yurituvchi kuchni toping.
___________________________________________________
22. O’quvchi fotosurat tayyorlashda 220 V kuchlanishli elektr lampani yoqdi, bunda 0,5 A kuchi va 330 J elektr energiya sarflandi? Lampa qancha vaqt yongan?
_____________________________________________________________________
23. Elektromagnit to’lqinlar to’lqinning qaysi turiga kiradi?
_____________________________________________________
24. To’lqin uzunligi 100 sm bo’lgan radioto’lqinning chastotasini (Hz) aniqlang.
___________________________________________________________________________

25. Kemadagi radiolakatordan yuborilgan signal 30 s da nishondan qaytdi. Nishon qanday masofada bo’lgan (km)

_________________________________________________________________________________