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ID#6488 HSC - Physics 2nd - Jessore - 2025 CQ

IB = 0.2 mAIC = 10 mARL = 50 Ωএক্ষেত্রে, β = 49

ID#6480 HSC - Physics 2nd - Rajshahi - 2025 CQ

600 mmS1S2P0.2 mm900 mm1 m