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Question

A long overhead lossless power transmission line is terminated with its characteristic impedance. While the line is in operation 

A.

A resonance of reactive powers occurs in the line 

B.

The line becomes purely inductive 

C.

The line becomes purely capacitive 

D.

There is no reflected wave on the line

Answer ( Option D)

There is no reflected wave on the line

Solution

If 

Reflection coefficient of voltage :


Reflection coefficient of current :


So, there is no reflected wave on the line.

Hence, the correct option is (D).


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