Electric lines are never hung tautly on Electric poles.Give reason.
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Answer:
The electric lines are never hung tautly between poles because in outside environment wires are subjected to extreme weather conditions, ranging from acute hot to cold temperature. In winters, a taut wire on contraction can snap.
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21
Overhead telephone and electricity wires installed on poles expand in hot weather and contract in cold weather. The wires between two poles are given a certain amount of sag so that they can contract in winter without snapping..
Hope it helps....
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