Electrochemical breakdown in a dielectric occurs at

1.	Electrochemical breakdown in a dielectric occurs at
A.	very low temperature only
B.	very high temperature only
C.	very high temperature concurrent with high humidity of the surroundings
D.	very low temperatures concurrent with ambient humidity above 50%
Answer» D. very low temperatures concurrent with ambient humidity above 50%

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Electrochemical breakdown in a dielectric occurs at

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