English: So, in the case of a series motor_(a)gain n =K ` V - I_(a) r_(a) and R S is the series field resistance where have to add R S divided/ ∅.
Telugu: కాబట్టి, సిరీస్ మోటార్ విషయంలో n = K ‘’ [V - I_(a) (r_(a) + R_(S) ) ] / ∅.