DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ Both electrical and magnetic fields None of the listed here Electric field Magnetic field Both electrical and magnetic fields None of the listed here Electric field Magnetic field ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a _______ generator vary widely with changes in load current. Series Shunt None of the listed here Flat compounded Series Shunt None of the listed here Flat compounded ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. machine stray loss is the sum of Total copper loss and mechanical loss Armature copper loss and iron loss Shunt field copper loss and mechanical loss Iron loss and mechanical loss Total copper loss and mechanical loss Armature copper loss and iron loss Shunt field copper loss and mechanical loss Iron loss and mechanical loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ Magnetic material of high permeability Iron commutator Lap winding High resistance winding material Magnetic material of high permeability Iron commutator Lap winding High resistance winding material ANSWER DOWNLOAD EXAMIANS APP
DC Generators Permeance is the reciprocal of Flux density Resistance Ampere turns Reluctance Flux density Resistance Ampere turns Reluctance ANSWER DOWNLOAD EXAMIANS APP
DC Generators Magnetic field in a D.C. generator is produced by Both (A) and (B) Permanent magnets Electromagnets None of these Both (A) and (B) Permanent magnets Electromagnets None of these ANSWER DOWNLOAD EXAMIANS APP
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