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Why do telephone wires sag during summer? - Physics

Short Note

Why do telephone wires sag during summer?

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Solution

Telephone wires sag in summer because due to heat of the sun, the wire expands and increases in length, thus they sag in summer.

Concept: Temperature
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APPEARS IN

Frank Class 9 Physics ICSE
Chapter 5 Heat
Exercise | Q 13 | Page 229
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