FIKi 50% bo'lgan qurilmaning 3·10³ J energiya sarflaganda bajaradigan ishini toping (kJ).
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1,5
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2
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2,5
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3
📝 Detailed explanation
FIK (foydali ish koeffitsienti) formulasi:
η = A_foydali/A_sarflangan · 100%.
A_foydali = η·A_sarflangan = 0,5·3·10³ = 1500 J = 1,5 kJ.
Javob: A) 1,5.
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