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Question

One which of the following factors the sag of transmission line conductor does not depend on? 

A.

Span of the conductor 

B.

Height of the poles 

C.

Tension in the conductor 

D.

Weight per unit length of the conductor

Answer ( Option B)

Height of the poles 

Solution

Sag of transmission line given as :


Where

W = weight per unit length of the conductor

l = length of the span,

T = Tension in the conductor

So, sag does not depend on height of pole.

Hence, the correct option is (B).

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