If the flux is increased by 50% and speed is reduced by 50% of a d.c. – McqOptions

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1.	If the flux is increased by 50% and speed is reduced by 50% of a d.c. motor (keeping the other parameters constant), then its back emf will become
A.	50 % of the original back emf
B.	0.75 % of the original back emf
C.	100 % of the original back emf
D.	150 % of the original back emf
Answer» C. 100 % of the original back emf

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