Which of the following factors affect Corona?1. Atmospheric conditions – McqOptions

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1.	Which of the following factors affect Corona?1. Atmospheric conditions, temperature, humidity, moisture, ice and fog2. Current of conductor3. Waveform4. Condition of surface of conductors, smoothness and dust
A.	1, 2 and 3 only
B.	1, 3 and 4 only
C.	1, 2 and 4 only
D.	2, 3 and 4 only
Answer» C. 1, 2 and 4 only

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