Best Answer: The electrical wires a

Best Answer: The electrical wires are made of metal (usually copper) and copper has a high distortion ratio (all matter expands and contracts when exposed to various temperatures, metals tend to expand and contract more than other substances. the electrical wires are loose in the summer (when it's hot) so that come winter time, when the air cools down and the wires contract, they do no break or split from being too tight in between poles.

Kết quả (Anh) 1:

Best Answer: The electrical wires are made of metal (usually copper) and copper has a high distortion ratio (all matter expands and contracts when exposed to various temperatures, metals tend to expand and contract more than other work. the electrical wires are loose in the summer (when it's hot) so that come winter time, when the air cools down and the wires contract , they do no break or split from being too tight in between poles.

Kết quả (Anh) 2:

Best Answer: The electrical Wires are made of metal (Thường copper) and copper has a high ratio distortion (all matter expands and exposed to various temperatures Contracts khi, metals expand and contract more Tend to other coal substances. Wires are loose in the electrical the summer (it's hot khi) để come winter time, cools down khi air and the Wires contract, so no break or split chúng from being too tight in the between poles.