试题与答案

一个电阻,两端加1V的电压时,通过的电流是200mA,它的电阻值是______Ω

题型:填空题

题目:

一个电阻,两端加1V的电压时,通过的电流是200mA,它的电阻值是______Ω;若在它两端加2V的电压,则它的电阻是______Ω,通过的电流是______A.

答案:

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1-5 F T F T T

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