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Engineering Challenge!

Authored by Lisa Hsieh

Science

Professional Development

Used 6+ times

Engineering Challenge!
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10 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

電源供應器本身是否可能就是過電壓的來源?

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

當電器設備送電或開啟的瞬間,交流輸入電流對該電器設備的一次側濾波電容快速充電,而該峰值電流通常大於穩態電流很多,我們稱這種情況為?

衝鋒電流

突破電流

湧浪電流

湧出電流

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

電源輸出電流超出額定電流時,過載保護電路動作有哪兩種?

自動關斷、閘鎖回彈

自動回復、閘鎖回彈

自動回彈、閘鎖關斷

自動回復、閘鎖關斷

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

電源供應器的能源轉換率(Efficiency),經過今天介紹後,我們知道:轉換效率要越高越好,不然耗損的能量會變成___?

冷風

回收物

廢熱

機殼

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hold Up Time(維持時間),是指電源在____或是____時,輸出電壓可以保持輸出標準的持續時間。

開機、接電

關機、斷電

開機、閒置

關機、閒置

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Turn On Delay Time(電源啟動延遲時間), 是指____電源到其____電壓上升到穩定的範圍

拔掉、輸出

拔掉、輸入

接上、輸入

接上、輸出

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

一個額定輸出電壓為10V的變壓器,規定的Turn-On Overshoot (過衝)為5%,則以下輸出電壓哪個不合規?

9.6V

9.8V

10.2V

10.6V

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