問題詳情
23 有 6V 之直流電壓源，供應未儲能之電感及電阻串聯電路，當接通電壓源之瞬間，電感之電流上升率大小為20A/sec，且到達穩態時流經電感之電流為 6A，則此電路之時間常數為多少秒？
(A) 0.3
(B) 1
(C) 3.33
(D) 120
(A) 0.3
(B) 1
(C) 3.33
(D) 120
參考答案
答案：A
難度：適中0.557143
統計：A(39),B(3),C(12),D(1),E(0)
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