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Question
When a bimetallic bar of copper and iron strips is heated, the bar bends toward the iron strip becauseA) iron gets hotter before copper.
B) copper gets hotter before iron.
C) copper expands more than iron.
D) iron expands more than copper.
E) none of the above
Answer
This answer is hidden. It contains 1 characters.
Related questions
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Q:
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Q:
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A) conduction.
B) convection.
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Q:
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