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電流錶和電壓表是同樣原理製成的,但由於電流錶是串聯在電路上的,所以它的電阻相對電路中電器的電阻來說很小,小到可以忽略不計,所以計算的時候,電流錶兩端的電阻、電流是不計的(相當於短路).而電壓表它恰好相反,如…
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