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The only advantage of corona is that it
Producers a pleasing luminous glow
Makes line current sinusoidal
Works as safety value for surface
Ozone gas is produced
Works as safety value for surface
Quick Summary: Practice and solve "The only advantage of corona is that it..." for Electrical - Power System. The correct answer is Option C: Works as safety value for surface. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Answer:
Option **(c) **