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Question

Which of the following conditions leads to increase in transmission efficiency? 

A.

Increase in both voltage and power factor 

B.

Decrease in both voltage and power factor 

C.

Increase in voltage but decrease in power factor 

D.

Decrease in voltage but increase in power factor

Answer ( Option A)

Increase in both voltage and power factor 

Solution

As power has loss in transmission line is given as :


Hence, increasing the voltage and power, factor, power loss decreases. Hence, efficiency of transmission line increases.

Hence, the correct option is (A).

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