What is the percentage of acid and water present in the electrolyte of a lead-acid battery in a fully charged condition?
(a) 39% acid and 61% water
(b) 45% acid and 65% water
(c) 30% acid and 70% water
(d) 25% acid and 75% water
The question was asked during an online interview.
This intriguing question comes from Lead-Acid Battery topic in division Storage Batteries of Automotive Engine Design