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In lightning arrester, flash over occurs at
to 2.5 times arrester rating
to 4.5 times arrester rating
At arrester rating
Below arrester rating
to 4.5 times arrester rating
Quick Summary: Practice and solve "In lightning arrester, flash over occurs at..." for Electrical - Power System. The correct answer is Option B: to 4.5 times arrester rating. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Answer:
Option **(b) **