DC Generators The commutator of a dc generator acts as A rectifier None of the listed here An amplifier A load A rectifier None of the listed here An amplifier A load ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of parallel paths in a simplex lap winding is equal to Number of poles None of the listed here Number of pairs of poles 2 Number of poles None of the listed here Number of pairs of poles 2 ANSWER DOWNLOAD EXAMIANS APP
DC Generators If residual magnetism is present in a D.C. generator, the induced e.m.f. at zero speed will be Zero The same as rated voltage High Small Zero The same as rated voltage High Small ANSWER DOWNLOAD EXAMIANS APP
DC Generators Magnetic field in a D.C. generator is produced by Permanent magnets None of these Both (A) and (B) Electromagnets Permanent magnets None of these Both (A) and (B) Electromagnets ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a commutator Copper is harder than mica Mica and copper are equally hard Mica is harder than copper None of the listed here Copper is harder than mica Mica and copper are equally hard Mica is harder than copper None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc machine, the number of commutator segment is equal to Number of coils Twice the number of poles Numbers of conductors None of the listed here Number of coils Twice the number of poles Numbers of conductors None of the listed here ANSWER DOWNLOAD EXAMIANS APP