電工原理-103台北捷運 - 考試

By Bethany
at 2014-05-24T14:01
at 2014-05-24T14:01
Table of Contents
請問:電工原理-103台北捷運
第14題
一交流負載由一個電阻、一個電桿、一個電容三者並聯而成,此交流負載由一110(rms)伏特60赫芝的交流電壓供電。已知電阻、電桿、電容的電流分別為14(rms)安培、14(rms)安培、28(rms)安培,則交流電壓源供應的電流(rms)最接近何值?
Ans:20安培
疑:不是全部加起嗎?14+14+28=56
第17題
電感的單位是亨利,電阻是歐姆
則亨利/歐姆 單位為秒
疑:請問是哪個公式得知的呢?
謝謝
(人在外面,手機打字的,若排版太怪,實在抱歉!)
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