Fizika f a n I d a n n a z o r a tish L a r I va L a b o r a t o r I y a L a r


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7-sinf NI va Lab Dildoraxon 2022

7- NAZORAT ISI 
1- qator 
1.Elektr zanjirdagi lampochkaga parallel ulangan voltmeter 6,5 voltni 
ko’rsatmoqda.lampochkadan 12 C zaryad o’tganda qancha ish bajaradi? 
2.Zanjirdagi tok kuchi 0,5 A bo’lsa,9 minutda qancha zaryad oqib o’tadi? 
3.10 s vaqt davomida o’tkazgichdan 24 C zaryad o’tdi.O’tkazgichdagi kuchlanish 12 
V.O’tkazgich qarshiligini aniqlang. 
2-qator 
1.Elektr zanjiridagi lampochka spiralidan o’tayotgan tok kuchi 0,3 A ga 
teng.Lampochka spiralidan qancha vaqtda 360 c zaryad o’tadi? 
2.Uzunligi 5 m,ko’ndalang kesimi 0,1mm bo’lgan alyuminiy simning uchlariga 2 V 
kuchlanish berildi.shu simdagi tok kuchini aniqlang. 
3.zanjir berilgan qismining qarshiligi 24 Om va shu qismidagi kuchlanish 120 V 
bo’lsa,berilgan qismdan o’tayotgan tok kuchini toping. 
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