In a transformer when two or more dielectrics, having different permittivities are ___

In a transformer when two or more dielectrics, having different permittivities are used in series, incorrect proportioning of their thickness may result in

A. very poor heat dissipation.
B. very high leakage current.
C. very high dielectric loss.
D. failure of insulation due to excessive electric stresses

Show Answer

Answer: D

Share your understanding of this question with the correct explanation.