Context: For maximum life, capacitors usually need to be able to handle the maximum amount of reversal that a system will experience. An AC circuit will experience 100% voltage reversal, while under-damped DC circuits will experience less than 100%. Reversal creates excess electric fields in the dielectric, causes excess heating of both the dielectric and the conductors, and can dramatically shorten the life expectancy of the capacitor. Reversal ratings will often affect the design considerations for the capacitor, from the choice of dielectric materials and voltage ratings to the types of internal connections used.

Question: What percentage of voltage reversal does an AC circuit experience?
Answer: 100% voltage reversal

Question: What does voltage reversal create in the dielectric of a capacitor?
Answer: excess electric fields

Question: What percentage of voltage reversal will an under damped DC circuit experience?
Answer: less than 100%

Question: What does excess electric field present in the dielectric lead to?
Answer: heating of both the dielectric and the conductors

Question: When designing a capacitor, what is an important rating to consider?
Answer: Reversal ratings

Question: What percentage of voltage reversal does an AC circuit never experience?
Answer: Unanswerable

Question:  What does voltage reversal never create in the dielectric of a capacitor?
Answer: Unanswerable

Question: What percentage of voltage reversal will an over damped DC circuit experience?
Answer: Unanswerable

Question: When designing a capacitor, what is an unimportant rating to consider?
Answer: Unanswerable

Question:  What does excess electric field not present in the dielectric lead to?
Answer: Unanswerable