Question

the sagging of electric wires is due to expansion?
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Answer 1

Answer:

The lines are often heavily loaded because of increased power consumption, and the conductors, which are generally made of copper or aluminum, expand when heated. That expansion increases the slac.k between transmission line structures, causing them to sag.

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Answer 2

Answer:

The lines are often heavily loaded because of increased power consumption, and the conductors, which are generally made of copper or aluminum, expand when heated.

Explanation:

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