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The electric breakdown strength of insulating materials depends on 

(A) Nature of applied voltage

(B) lmperfection of dielectric material

(C) Pressure, temperature and humidity

(D) All or these

1 Answer

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The electric breakdown strength of insulating materials depends on 

(A) Nature of applied voltage

(B) lmperfection of dielectric material

(C) Pressure, temperature and humidity

(D) All or these

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