基本電學問題 - 考試
By Doris
at 2013-12-17T21:58
at 2013-12-17T21:58
Table of Contents
題目1 有一個銅線,體積不變,將長度均勻拉長1倍,則外加電壓不變的情況下
,流經銅線之電流為未拉長之幾倍?
A 0.25 B 0.5 C 2 D 4
1倍的意思是不變嗎= =??答案是A
題目2 有一個電鍋規格110V,800W 煮一次飯約30分鐘,假如電壓為110V,則煮
飯電鍋導線上的電流為多少安培?
A 11 B 8.8 C 7.3 D 6.5
答案C 未甚麼時間沒算進去
請幫忙解答>"<~
--
,流經銅線之電流為未拉長之幾倍?
A 0.25 B 0.5 C 2 D 4
1倍的意思是不變嗎= =??答案是A
題目2 有一個電鍋規格110V,800W 煮一次飯約30分鐘,假如電壓為110V,則煮
飯電鍋導線上的電流為多少安培?
A 11 B 8.8 C 7.3 D 6.5
答案C 未甚麼時間沒算進去
請幫忙解答>"<~
--
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