gc textbook chapter 18 Electric Currents (id: 19fabbd78)

本题目来源于试卷: gc textbook chapter 18 Electric Currents，类别为 IB物理学

[填空题]
The peak value of an alt by/v9jx(1 uplnhh/4 sernating cur(pbo ;pq :r -7y7pg28x- yyilzsposl+-6 tepv rent in a 1500-W device is 5.4 A. What is the rms voltag - piooxesp;+8 yp:sy6yg7ptb-r-( qvzp7l 2le across it?    V (Round to the nearest integer)

参考答案: 390±2%


本题详细解析:

微信扫一扫，分享更方便