16. Tebranish konturi deb nimaga aytiladi?
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17. Magnit oqimning formulasini yozing ?
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18.Tok kuchi 8 A bo’lganda 16 mVb magnit oqim hosil qiladigan konturning induktivligi qanday (mGn).
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19. Tokli o’tkazgichlarning bir-biriga o’zaro ta’sir kuchi ...... kuchlar deyiladi?
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20. Tebranish konturining induktivligini va sig’imini 4 marta oshirsak, kontur tebranishning davri qanday o’zgaradi?
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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.
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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?
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23. Elektromagnit to’lqinlar to’lqinning qaysi turiga kiradi?
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24. To’lqin uzunligi 100 sm bo’lgan radioto’lqinning chastotasini (Hz) aniqlang.
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25. Kemadagi radiolakatordan yuborilgan signal 30 s da nishondan qaytdi. Nishon qanday masofada bo’lgan (km)
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