Moderate
Which of the following devices will receive voltage surge first travelling on the transmission line ?
Correct answer: A. Lightning arresters
- A. Lightning arresters
- B. Relays
- C. Step-down transformer
- D. Switchgear
Explanation
A lightning arrester is connected at the line entry point to divert a travelling surge to earth before it reaches sensitive equipment. Relays and transformers receive protection from the arrester rather than receiving the surge first.
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