题目内容

下列不属于电路的基本物理量的是()

A. 电流
B. 电压
C. 电线
D. 电动势

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下列不属于电阻的单位的是()

A. KΩ
B. Ω
C. V
D. MΩ

电压和电流关联参考方向时,欧姆定律表示为U=___________

当电压和电流为非关联参考方向时,欧姆定律为:U=-IR

A. 对
B. 错

选词填空,必要时改变形式:routineprioritizeexcludesoundassumepatternexceedunique1. Following his parents' _______ advice, Dr. Francis developed an interest in science.2. That figure ______ total foreign purchases in the first four months this year.3. It is wise to ______ questions in your order of preference.4. All the manufacturers try to add something ______ to set their devices apart.5. He exhibited nearly the same behaviour _______ as his younger brother.6. It shouldn't take too long to get back to our old _______.

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