電壓=電流x電阻
咁電流=??
電阻=??
歐姆定律.....
2006-12-13 1:45 am
回答 (2)
2006-12-13 8:14 am
電流= charge(電荷) per unit time
電阻is a measure of the degree to which an object opposes the passage of an electric current
電阻is a measure of the degree to which an object opposes the passage of an electric current
2006-12-13 1:47 am
歐姆定律 電流與電壓成正比，與電阻成反比。
V
= I
R
其中V為電壓, R 為電阻, I為電流。
V
= I
R
其中V為電壓, R 為電阻, I為電流。
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061212000051KK02599