gc textbook chapter 18 Electric Currents (id: 7e17e6fea)

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

[填空题]
A 120-V hair dryer has two setaskdr0e7 ma6o; znmo :4be/e- ti)ai;o7jcx c.p dsw),op yl -)xngs: 850 W and 1250 W.
(a) At which setting do you expect the resistance to be higher? After making a guess, determine the resistance at
(b) the lower setting;    $\Omega$
(c) the higher setting.    $\Omega$

参考答案:
空格1: 17±2%  空格2: 12±2% 


本题详细解析:

微信扫一扫，分享更方便