911. M a y d o n n in g energiyasi 1 J ga te n g boMishi u c h u n
induktivligi 0,5 H boMgan drossel c h u lg ‘am id ag i to k kuchi
q a n c h a boMishi lozim ?
912. S o len o id d a to k ku chi 10 A boM ganda 0,5 W b m agnit
o q im h o sil boM adi. S h u s o le n o id m a g n it m a y d o n in in g
energ iy asin i toping.
913. In duktivligi 0,5 H boMgan g ‘alta k o rq a li oM ayotgan
to k k u ch i 2 m a rta o rttirilg a n d a m ag n it m a y d o n energiyasi 3 J
o rtd i. T o k k u c h in in g va m ay d o n en erg iy asin in g boshlangM ch
q iy m atlarin i top in g .
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