As Shown in the Figure,a Bimetallic Strip,consisting of Metal G

question 100

Multiple Choice

As shown in the figure,a bimetallic strip,consisting of metal G on the top and metal H on the bottom,is rigidly attached to a wall at the left.The coefficient of linear thermal expansion 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)remain horizontal,but get shorter.
• E)bend in the middle.

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