gc textbook chapter 18 Electric Currents (id: c59311a9f)

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

[填空题]
An electric device draws 6tngc pxiw/yu+a :6zd jh5+k 568 msy / is38htyf0q1x .vqyxt(.50 A at 240 V.
(a) If the voltage drops by 15%, what will be the current, assuming nothing else changes? $\approx$    A (retain one decimal places)
(b) If the resistance of the device were reduced by 15%, what current would be drawn at 240 V? $\approx$    A (retain one decimal places)

参考答案:
空格1: 5.5±2%  空格2: 7.6±2% 


本题详细解析:

微信扫一扫，分享更方便