Keltirilgan sxemadagi zanjirning A va B nuqtalari orasidagi umumiy qarshiligini aniqlang (Ω). R=3 Ω.
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📝 Detailed explanation
Sxemada A va B nuqtalari orasida 2R va R qarshiliklar parallel ulangan.
Parallel ulanganda: R_AB = (2R × R) / (2R + R) = 2R² / 3R = 2R/3
R = 3 Ω bo'lganda: R_AB = 2 × 3 / 3 = 2 Ω.
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