Fizika f a nida n nazoratish L a r I va labo r atoriyala 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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