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Why do telephone wires sag during summer? - Physics

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प्रश्न

Why do telephone wires sag during summer?

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उत्तर

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

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 5: Heat - Exercise [पृष्ठ २२९]

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फ्रँक Physics [English] Class 9 ICSE
पाठ 5 Heat
Exercise | Q 13 | पृष्ठ २२९
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