来自彭英雄的问题
高中物理电学谁会做帮帮忙如果表头的内阻为Rg满偏电流为Ig当电压表量程扩大N倍时表头串联一个多大电阻写出R与Rg的关系式
高中物理电学谁会做帮帮忙
如果表头的内阻为Rg满偏电流为Ig当电压表量程扩大N倍时表头串联一个多大电阻写出R与Rg的关系式
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2020-02-10 22:27
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R=（n-1）Rg
2020-02-10 22:30:52
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