Which of the following is correct operating voltage range for medium transmission lines.

A. More than 765 kv
B. More than 400 kv

C. More than 20 kv

D. More than 132 kv

Explanation: Transmission lines having length more than 80 Km and less than 200 Km, operating voltage between 20 KV and 100 KV fall in the category of medium transmission lines.

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