DC Generators If the flux per pole of dc generator is halved but its speed is doubled, its generated emf will Remain the same Be quadrupled Be halved Be doubled Remain the same Be quadrupled Be halved Be doubled ANSWER DOWNLOAD EXAMIANS APP
DC Generators In case of D.C. machine winding, number of commutator segments is equal to Number of armature coil sides Number of armature turns Number of armature coils Number of armature conductors Number of armature coil sides Number of armature turns Number of armature coils Number of armature conductors ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator means its Overall efficiency None of the listed here Electrical efficiency Mechanical efficiency Overall efficiency None of the listed here Electrical efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a commutator Mica is harder than copper Copper is harder than mica None of the listed here Mica and copper are equally hard Mica is harder than copper Copper is harder than mica None of the listed here Mica and copper are equally hard ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators, current to the external circuit from armature is given through Solid connection Slip rings Commutator None of above Solid connection Slip rings Commutator None of above ANSWER DOWNLOAD EXAMIANS APP
DC Generators To avoid formation of grooves in the commutator of a D.C. machine Brush position has no effect on the commutator grooving The brushes of same polarity should track each other The brushes of opposite polarity should track each other All of these Brush position has no effect on the commutator grooving The brushes of same polarity should track each other The brushes of opposite polarity should track each other All of these ANSWER DOWNLOAD EXAMIANS APP
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