一个由线性电阻构成的电器,从220V的电源吸取1000W的功率,若将此电器接到110V的电源上,则吸取的功率为( )。 -题库考试答案搜索网

一个由线性电阻构成的电器,从220V的电源吸取1000W的功率,若将此电器接到110V的电源上,则吸取的功率为( )。

单选题

2021-07-17 23:37

A、250W
B、500W
C、1000W
D、2000W

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正确答案

A

试题解析

标签：新能源科学与工程专升本电工电子技术Ⅰ 期末考试给排水科学与工程电工与电子学 2019级毕业清考（考试分）能源与动力工程电工电子学

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