DC Generators The critical resistance of the D.C. generator is the resistance of Brushes Field Armature Load Brushes Field Armature Load ANSWER DOWNLOAD EXAMIANS APP
DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ Both electrical and magnetic fields Magnetic field None of the listed here Electric field Both electrical and magnetic fields Magnetic field None of the listed here Electric field ANSWER DOWNLOAD EXAMIANS APP
DC Generators Open circuited armature coil of a D.C. machine is Indicated by a spark completely around the commutator Both of the listed here Identified by the scarring of the commutator segment to which open circuited coil is connected None of these Indicated by a spark completely around the commutator Both of the listed here Identified by the scarring of the commutator segment to which open circuited coil is connected None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is ______ winding. An open circuit Partly open circuit and partly closed circuit None of the listed here A closed circuit An open circuit Partly open circuit and partly closed circuit None of the listed here A closed circuit ANSWER DOWNLOAD EXAMIANS APP
DC Generators Permeance is the reciprocal of Resistance Flux density Reluctance Ampere turns Resistance Flux density Reluctance Ampere turns ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a commutator None of the listed here Mica is harder than copper Copper is harder than mica Mica and copper are equally hard None of the listed here Mica is harder than copper Copper is harder than mica Mica and copper are equally hard ANSWER DOWNLOAD EXAMIANS APP
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