The DC machines are designed with flat topped flux density waves becau – McqOptions

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1.	The DC machines are designed with flat topped flux density waves because
A.	average value of brush voltage is more for a flat topped B-wave
B.	average value of brush voltage is less for a flat topped B-wave
C.	losses for flat topped B-wave are less
D.	none of the mentioned
Answer» B. average value of brush voltage is less for a flat topped B-wave

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