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--- cert_exam:tech_radio_op_1:basic:h27jan:a-2 [2019/11/21 02:17] – 外部編集 127.0.0.1
+++ cert_exam:tech_radio_op_1:basic:h27jan:a-2 [2020/01/13 16:03] (current) – fu
@@ Line 16: / Line 16: @@
 $\mu$:透磁率 ,
 S:断面積[$m^2$] ,
-$\ell$:長さ[m]
+$\ell$:磁路の長さ[m]
 ===磁束===