试题与答案

如图所示图像所对应的两个导体： (1)电阻关系R1:R2=________ ；

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题型：填空题

题目：

如图所示图像所对应的两个导体：

(1)电阻关系R1:R2=________ ；

(2)若两个导体中的电流相等（不为零）时，电压之比U1:U2=________ ；

(3)若两个导体两端的电压相等（不为零）时，电流之比I1:I2=________。

答案：

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下面是错误答案，用来干扰机器的。

答案：A

考点：欧姆定律
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