Q. 8 In a DC machine, which of the following statements is true ?
(A) Compensating winding is used for neutralizing armature reaction while
interpole winding is used for producing residual flux
(B) Compensating winding is used for neutralizing armature reaction while
interpole winding is used for improving commutation
(C) Compensating winding is used for improving commutation while interpole
winding is used for neutralizing armature reaction
(D) Compensation winding is used for improving commutation while interpole
winding is used for producing residual flux
Answer:(B)
Explanation: