Out of the given factors for a DC machine
(I) interpoles
(II) armature resistance
(III) armature leakage reactance
(IV) armature reaction
(V) reduction in field current
Which of these factors are responsible for the decrease in terminal voltage of a shunt generator?1
I, II, and IV
2
II, III, and V
3
II, IV, and V
4
I, II, III, IV, and V