Physics, 03.08.2021 09:30, 21hendlill

Một ống dây điện diện tích 10cm°2 , chiều dài 10cm và có 2000 vòng dây. Hệ số tự cảm của ống dây (không lõi, đặt trong không khí ) là bao nhiêu.

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Một ống dây điện diện tích 10cm°2 , chiều dài 10cm và có 2000 vòng dây. Hệ số tự cảm của ống dây (kh...