Which of the following statement about D.C. generators is false ?

• A. Compensating winding in a D.C. machine helps in commutation
• B. In a D. C. generator interpoles winding is connected in series with the armature winding
• C. Back pitch and front pitch are both odd and approximately equal to the pole pitch
• D. Equilizing bus bars are used with parallel running of D.C. shunt generators