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jiangzhuang
大家共同學(xué)習嘛！這樣菜鳥(niǎo)也可以變老鳥(niǎo)
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樓主  發(fā)表于: 2011-07-01 20:32
五色環(huán)電阻：黑綠棕金銀         大家都來(lái)說(shuō)說(shuō)阻值是多少？
我認為阻值是5.1歐姆誤差是+-10%
      
[ 此帖被jiangzhuang在2011-08-24 18:05重新編輯 ]
z4131246
華銘工控
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1樓  發(fā)表于: 2011-07-02 07:44
是不是樓主把紫色或者棕色看錯了啊 有的時(shí)候紫色和棕色顏色深了很容易看成黑色的；還有就是你自己都說(shuō)電阻壞了那你更不能相信上面的顏色了，因為色環(huán)電阻上的顏色在電阻高溫時(shí)會(huì )老化變色，有的燒掉的電阻更不容易看出他的本色的。
樓主留言：
不是燒的很黑那種壞！電阻的表面顏色正常！而且第一環(huán)就是黑色

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