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Byju's Answer
Standard VIII
Physics
Types of Expansion in Solids
During summer...
Question

During summer, electrical wires sag due to _______.

A
thermal expansion of solids
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B
thermal expansion of liquids
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C
thermal expansion of gases
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D
anomalous expansion
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Solution

The correct option is A thermal expansion of solids
During summer, electrical wires sag due to thermal expansion of solids. The material of the wires expands thereby increasing in length, area, and hence, in volume.

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