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一输入电阻Ri=500MΩ,零电流I0=10-9A的DC-DVM,测量内阻r=10kΩ的U=1V电压源,求由Ri和I0引起的误差极限r。


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更多 “一输入电阻Ri=500MΩ,零电流I0=10-9A的DC-DVM,测量内阻r=10kΩ的U=1V电压源,求由Ri和I0引起的误差极限r。” 相关考题
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