Important MCQ questions for GATE, ESE Engineering Service Examination, IES, PSU Examination and Study Material For Electrical and Electronics Engineering in Circuit Theory, Network Theory, Material Science, Power System, Control System, Measurement, Power Electronics, Transformer and Electrical Machine, Control System, EMT, Power Electronics, Microprocessor and Communication System.
Wednesday, April 20, 2016
Open slots are used in dc machine armature because
a)Of the ease with which the winding can be placed inside the slots
b)It increases the induced emf per coil
c)It reduces the armature voltage drop
d)It reduces the coil reactance emf and hence aids in commutation
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