【单选题】If the length of a wire is halved and the cross-sectional area is doubled, the resistance will be _____. A. quartered B. unchanged C. doubled D. quadrupled
【单选题】If the length of a wire is halved and the cross-sectional area is doubled, the resistance will be _____.
A、 quartered
B、 unchanged
C、 doubled
D、 quadrupled
发布时间：2025-07-23 08:50:12
