DC Generators To avoid formation of grooves in the commutator of a D.C. machine All of these The brushes of same polarity should track each other Brush position has no effect on the commutator grooving The brushes of opposite polarity should track each other All of these The brushes of same polarity should track each other Brush position has no effect on the commutator grooving The brushes of opposite polarity should track each other ANSWER DOWNLOAD EXAMIANS APP
DC Generators While applying Fleming's right-hand rule to and the direction of induced e.m.f., the thumb points towards Direction of induced e.m.f. Direction of flux Direction of motion of conductor, if forefinger points along the lines of flux Direction of motion of the conductor if forefinger points in the direction of generated e.m.f. Direction of induced e.m.f. Direction of flux Direction of motion of conductor, if forefinger points along the lines of flux Direction of motion of the conductor if forefinger points in the direction of generated e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of dc generator is laminated to Reduce eddy current loss Provide the bulk Reduce the bulk Insulate the core Reduce eddy current loss Provide the bulk Reduce the bulk Insulate the core ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator of a dc generator acts as A load A rectifier An amplifier None of the listed here A load A rectifier An amplifier None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The copper loss is constant for Series generator only Both shunt and compound generator Shunt generator only None of the listed here Series generator only Both shunt and compound generator Shunt generator only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature reaction in a dc generator can be increased by increasing the Armature current Field current None of the listed here Data is insufficient Armature current Field current None of the listed here Data is insufficient ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS