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检流计 (11977 views - Electrical Engineering)

检流计是一种电流表,用于测量微弱电壓。其工作原理与磁电式电流表基本相同。 检流计在不使用时,须将两端短路,以减少对检流计的伤害。
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检流计

检流计

检流计是一种电流表,用于测量微弱电壓。其工作原理与磁电式电流表基本相同。

检流计在不使用时,须将两端短路,以减少对检流计的伤害。

历史

1820年,奥斯特发现,当电流流过导线时,导线旁的磁针会发生转动。该现象可用于电流的测量。安培在研究电磁现象时使用金属针制作出可以测量电流大小的检流计[1]

参考资料

  1. ^ Biography of Andre Marie Ampere. http://simplyknowledge.com/. [2017-01-25].  已忽略文本“ Simply Knowledge” (帮助)


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Electrical Engineering

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