Question

why are overhead cables never kept taunt

Answer 1

$\huge\mathfrak\green{Hello,}$

$\huge\underline{Answer:}$

Over head cable lines are usually made of aluminium alloys which is a good conductor of electricity as well as heat. They are kept sagging so that when they expand due to too much heat in summer and contract in winter they don't break or become dis shaped.

$Hope\:it\:helps!$

Regards,

$\huge\mathfrak\purple{Aaravxxx}$

Answer 2

Answer:

Explanation:

Over head cable lines are usually made of aluminium alloys which is a good conductor of electricity as well as heat. They are kept sagging so that when they expand due to too much heat in summer and contract in winter they don't break or become dis shaped.