The terminal voltage of a DC shunt generator drops on load because of all of the following except :
(A) Armature reaction
(B) Armature resistance drop
(C) Commutation
(D) Field weakening due to armature reaction and armature resistance drop
(A) Armature reaction
(B) Armature resistance drop
(C) Commutation
(D) Field weakening due to armature reaction and armature resistance drop