基本電學 - 考試
By Liam
at 2013-06-10T12:16
at 2013-06-10T12:16
Table of Contents
1 http://flic.kr/p/eHwm9a
應該是有關電橋平衡 解答的兩條式子不太懂
2 R-L-C串聯接入150V之交流電壓呈電感性,若R二端之電壓為120V,
電容器二端為200V,則電感器二端應為多少V (答案是290V)
3 R-L-C並聯電路之頻率選擇性以Q表示,若欲提高Q值應:
(A)減少L (B)增大C (C)增大R (D)減少R
這題我用Q=R*根號(C/L)來想
結果ABC都對 然後解答是給(C)
--
應該是有關電橋平衡 解答的兩條式子不太懂
2 R-L-C串聯接入150V之交流電壓呈電感性,若R二端之電壓為120V,
電容器二端為200V,則電感器二端應為多少V (答案是290V)
3 R-L-C並聯電路之頻率選擇性以Q表示,若欲提高Q值應:
(A)減少L (B)增大C (C)增大R (D)減少R
這題我用Q=R*根號(C/L)來想
結果ABC都對 然後解答是給(C)
--
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考試
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