本题目来源于试卷: Physics Unit13: Temperature and Kinetic Theory，类别为 通用国际物理
[单选题]
A bimetallic strip, consisting 6adxw2, u kju-of metal G on the top and metal H on the bottom, 1.8 u,u6sj au6lqn td tcrrn9. is rigidly attached to a wall at the left. (See Fig. 13-1.) The coefficient of linear thermal expa 9sn1 u6 ur tal6,ur d.tnc.q8jnsion for metal G is greater than that of metal H. If the strip is uniformly heated, it will
A. curve upward.
B. curve downward.
C. remain horizontal, but get longer.
D. bend in the middle.
参考答案: B
本题详细解析:
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