The resistance you measured is under the condition when it's cold, That's different with the one when it is warm. Try to calculate the resistance by measuring the voltage and current.

camcorder (Camcorder)
(#333943@0)
2002-1-14 -05:00

回到话题: 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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