DC Generators In a D.C. generator the critical resistance refers to the resistance of Armature Brushes Load Field Armature Brushes Load Field ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a short shunt compound wound generator, the shunt field is connected in parallel with Armature Parallel combination of armature and series field Series field Series combination of armature and series field Armature Parallel combination of armature and series field Series field Series combination of armature and series field ANSWER DOWNLOAD EXAMIANS APP
DC Generators The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be 600 V 580 V 620 V 640 V 600 V 580 V 620 V 640 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ Electric field None of the listed here Magnetic field Both electrical and magnetic fields Electric field None of the listed here Magnetic field Both electrical and magnetic fields ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a commutator 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 Mica is harder than copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine having 10 poles is rotating at a speed of 10 revolution per second. The number of hysteresis loops formed per second is ______ 50 100 150 10 50 100 150 10 ANSWER DOWNLOAD EXAMIANS APP
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