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ElectricalPower System
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Disruptive corona begins inΒ  smooth cylindrical conductor in air at NTP if the electric field intensity at the conductor surface goes up to

A

21.1 kVrms/cm

B

21.1 kVpeak/cm

C

21.1 kVaverage/cm

D

21.1 kVrms/m

Correct Answer

Verified SolutionElectricalPower System
Option A

21.1 kVrms/cm

Quick Summary: Practice and solve "Disruptive corona begins in smooth cylindrical conductor in air at NTP if the electric field intensi..." for Electrical - Power System. The correct answer is Option A: 21.1 kVrms/cm. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.

Answer:

Option **(a) **

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