The small pockets of air in the high voltage cable provide ______ relative permittivity, _______ electric field and at these sites breakdown is likely to be initiated.
1
High, high
2
Low, low
3
Low, high
4
High, low
5
Question Not Attempted
The small pockets of air in the high voltage cable provide ______ relative permittivity, _______ electric field and at these sites breakdown is likely to be initiated.