Question

2.
If overloaded electric cables are being laid in sum
left a little loose?
ror
(cca (370)​

Answer 1

$\Large{\textsf{\pink{\underline{\underline{ANSWER}}}}}$

★ Because the copper wire at the heart of the wire expands slightly - making the wires longer. since they are fixed at both ends, the wires sag due to the slight increase in length.

Answer 2

this is because when temperature increases then the volume of wire increase due to which it get loose