A.R=16.8Ω,L=0.15H B. C.R=8.4Ω,L=0.

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问题 A.R=16.8Ω,L=0.15HB.C.R=8.4Ω,L=0.15HD.R=13.53Ω,L=0.15H

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答案 A

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