SSC JE Electrical Engineering 2017 Set 3 Solved Paper

Internal resistance per cell of lead acid cell is always less then Edision cell.
Internal resistance of a battery is dependent on its size, chemical properties, age, temperature and discharge current.
Rint=(

VNL

VFL

−1)RL
where VNL is Open circuit voltage
where V‌FL is Load voltage
R is Load resistance