metal telephone wires are not completely streched but left sagging between poles . How does it help
Answers
Answered by
3
Answer:
The reason is to minimize the tension in the wire. ... Stretching the wire and connecting to the poles will make the wires loosen up and tear easily. This might lead to an accident. So they are allowed to sag and tied loosely to the electric poles.
Answered by
1
Explanation:
The reason is to minimize the tension in the wire. ... Stretching the wire and connecting to the poles will make the wires loosen up and tear easily. This might lead to an accident. So they are allowed to sag and tied loosely to the electric poles
Similar questions