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Question

Telephone and electric wires are left loose between two poles to prevent


A

Expansion

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B

Snapping

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C

Contraction

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D

Both A and C

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Solution

The correct option is B

Snapping


The correct option is B: Snapping

Explanation:

  1. Solid wires like telephone electrical wires experience expansion and contraction due to changes in temperature during summer and winter respectively.
  2. To avoid breakage or snapping of wires due to contraction in winter, the wires are let loose between the poles.

Hence the correct option is Option B. Snapping.


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