Physics Unit18: Electric Currents (id: 9e2d999a4)

本题目来源于试卷: Physics Unit18: Electric Currents，类别为 国际高中通用物理

[单选题]
How much more resistance does a 1.0 cfef+y apcpt:hoeu+;* (-xe(w a*rwb)m diameter rod hal t40krym o+5d3o7a8poi-fs k ve compared to a 2.0 cm diameter rod of the same length and made of 8ktkd l4-30y 75omfoirps o+a the same material?

A. 75%
B. 100%
C. 300%
D. 400%


参考答案:  C


本题详细解析: 暂无

微信扫一扫，分享更方便