問題詳情
8.有一 R-L-C 串聯電路，諧振頻率fr=1000Hz，R=10Ω， XL=100Ω，則其頻寬為？
參考答案
答案：A
難度：簡單0.807339
統計：A(1408),B(97),C(82),D(157),E(0)
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