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你把事情想的太简单了,“电炉丝是一个线圈,要考虑电感因素……还有,有效功率、功率因子这些概念…… ”还有微波辐射,红外辐射,xyz射线,地磁和万有引力,这些你算进去了吗?
eglington
(eglington)
(#334013@0)
Last Updated: 2002-1-14
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初级问题:加拿大100W灯泡的电阻是多少?1000W电炉丝的电阻是多少?(我用数字万用表测出来的是灯泡11欧,电炉45欧,好象不对!看来我是不会用,谁能指点,谢了)
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