【单选题】
电子技术中的电路可对电信号进行 。
A. 运存
B. 内存
C. 处理
D. 闪存
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答案
C
解析
暂无解析
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【单选题】
在电路图中“ ”表示交流。
A. AC
B. V
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D. A
【单选题】
在电路图中“DC”表示 。
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【单选题】
电气原理图主要分主电路和 两部分。
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【单选题】
欧姆定律:在 一定时,导体中的电流跟这段导体两端的电压成正比。
A. 电势
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【单选题】
欧姆定律:在电阻一定时,导体中的电流跟这段导体两端的电压成 。
A. 对数
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欧姆定律:在 不变的情况下,导体中的电流跟导体的电阻成反比。
A. 电阻
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欧姆定律:在电压不变的情况下,导体中的电流跟导体的电阻成 。
A. 对数
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C. 反比
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【单选题】
欧姆定律:在电压 的情况下,导体中的电流跟导体的电阻成反比。
A. 变大
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【单选题】
电阻值不随电压、电流变化而变化的电阻叫做 电阻。
A. 固定
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【单选题】
电阻值随电压、电流的变化而改变的电阻,叫 电阻。
A. 可变
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【单选题】
电阻值随电压、电流的变化而 的电阻,叫非线性电阻。
A. 不变
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【单选题】
由线性电阻组成的电路叫 电路。
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含有非线性 的电路叫非线性电路。
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【单选题】
含有非线性电阻的电路叫 电路。
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【单选题】
把几个电阻依次连接起来,组成中间无分支的电路,叫做电阻 电路。
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【单选题】
把两个或两个以上的电阻接到电路中的两点之间,电阻两端承受同一电压的电路,叫电阻 。
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【单选题】
把两个或两个以上的电阻接到电路中的两点之间,电阻两端承受同一 的电路,叫电阻并联电路。
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既有电阻串联,又有电阻并联的电路,称为电阻 电路。
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串联电路中 处处相等。
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【单选题】
基尔霍夫 定律——回路电压定律(KVL)。
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【单选题】
正弦交流电主要有幅值、周期、频率、 、角频率等参数。
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是变压器的组成部分。
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变压器是按 原理工作的。
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是按电磁感应原理工作的。
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变压器在铁芯中产生 。
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在原、副线圈产生感应电动势。
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【单选题】
变压器在原、副线圈产生感应 。
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