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安德烈-馬里·安培安培第一代开尔文男爵威廉·汤姆森开尔文以人名命名的非国际单位制单位以人名命名的常数


电磁学电学单位电荷单位国际单位制导出单位


电量安培電流电量國際單位制基本單位國際單位制導出單位安培电子查尔斯·奥古斯丁·库仑










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库仑




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库仑
单位制
国际单位制导出单位
物理量名称
電荷
符号
C 
得名
夏尔·库仑
單位換算
1 C相当于

   国际单位制基本单位

   安培⋅秒

   厘米-克-秒制

   2997924580 靜庫侖

   原子单位制

   6.24150934(14)基本电荷×10^18

库仑英语:Coulomb)是电量的单位,符号为Cdisplaystyle mathrm C 。若导线中载有1安培的穩定電流,则在1秒内通过导线横截面积的电量为1库仑。[1][2]


库仑不是國際單位制基本單位,而是國際單位制導出單位。1库仑=1安培·秒(1C=1A⋅sdisplaystyle 1mathrm C =1mathrm A cdot mathrm s )。一个电子所带电荷量e=−1.6021892×10−19displaystyle e=-1.6021892times 10^-19库仑,即1库仑相当于6.24146×1018displaystyle 6.24146times 10^18个电子(约1.04×10−5moldisplaystyle 1.04times 10^-5mathrm mol 电子)所带的电荷量。


1 C=1 A×1 sdisplaystyle 1 mathrm C =1 mathrm A times 1 mathrm s

此单位是为纪念物理学家查尔斯·奥古斯丁·库仑而命名的。


1库仑亦可定義為:



1 C=1 V×1 Fdisplaystyle 1 mathrm C =1 mathrm V times 1 mathrm F
註 F = Farad


参考文献




  1. ^ 物理.高中下册.理科班和实验班用.张大同


  2. ^ 物理奥林匹克竞赛教程.电磁学篇 程稼夫 中国科技大学出版社



参见


  • 库仑定律

  • 库仑爆炸

  • 安培

  • 电磁学

  • 电容

  • 电荷

  • 法拉第常数











取自“https://zh.wikipedia.org/w/index.php?title=库仑&oldid=51038371”










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