一條簡單F.2 SCIENCE 問題

2011-11-16 1:24 am

我想知
Dry cell joined in series and in the same direction can give a larger voltage.
答案話正確,我想問why? ''in the same direction''我就明.

回答 (1)

2011-11-16 3:13 am

✔ 最佳答案

因為一粒cell carry ge 電一定冇一串咁多啦，再者，same direction，即係要overcome ge 電少左，所以voltage就一定會大左。

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