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电能的输送 · 历年高考物理真题与解析

本页汇总 高考真题检索 的「电能的输送」高考物理真题共 1 道,覆盖 2023 年,最常出题型为 单选题;含完整答案与解析。

1questions
Past questions included
2023
Years covered
区分题为主
Overall difficulty
Single-choice
Most common question type
Practice This Topic Do 5 reliable past questions first, then see the answers and explanations after you submit
常见易错点有效值与峰值混淆隐含条件忽略
Core competencies理解

Past Question List

2023 Zhejiang Gaokao Single choice Differentiating Question 10 2023_浙江卷 (物理)

7. 我国 1100kV 特高压直流输电工程的送电端用“整流”设备将交流变换成直流,用户端用“逆变”设备
再将直流变换成交流。下列说法正确的是(  )

A. 送电端先升压再整流
B. 用户端先降压再变交流
C. 1100kV 是指交流电的最大值
D. 输电功率由送电端电压决定

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