Q. Corona effect can be detected by (Solved)
1. hissing sound
2. faint luminous glow of bluish colour
3. presence of ozone detected by odour
4. all of the above
5. None of the above
- d. all of the above
1. hissing sound
2. faint luminous glow of bluish colour
3. presence of ozone detected by odour
4. all of the above
5. None of the above