খ, তিনটি রেজিস্টরের মান R1 =30 ohm, R2=20
ohm, R3=10 ohm পরস্পরের সাথে প্যারালাল
সংযােগে যুক্ত আছে। সমতুল্য রােধের মান বার
করাে।
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Last year on April 8th, Slovenian marathon swimmer Martin Strel became the first man to swim the entire length of the Amazon River from headwaters in Peru to the Brazilian port city of Belém: 3,274 miles. It took him 66 days with a support crew of near twenty people following him in a boat for protection.
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