电阻的符号是 什么是电阻
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电阻通常用字母R表示；国际单位是欧姆，用希腊字母“Ω”来表示；一兆欧等于1000千欧。
电阻的符号是R；在国际单位制中，电阻的单位是欧姆，常用的还有兆欧（MΩ）、千欧（KΩ）；1兆欧=1000千欧，1千欧=1000欧．
故答案为：R；欧姆；1000；1000．
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