DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ Magnetic field Electric field None of the listed here Both electrical and magnetic fields Magnetic field Electric field None of the listed here Both electrical and magnetic fields ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators, current to the external circuit from armature is given through Slip rings Commutator Solid connection None of above Slip rings Commutator Solid connection None of above ANSWER DOWNLOAD EXAMIANS APP
DC Generators Magnetic field in a D.C. generator is produced by Permanent magnets Electromagnets Both (A) and (B) None of these Permanent magnets Electromagnets Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature reaction in a dc generator can be increased by increasing the Armature current Data is insufficient None of the listed here Field current Armature current Data is insufficient None of the listed here Field current ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators the polarity of the interpoles Is the same as that of the immediately preceding pole Is the same as that of the main pole ahead Is opposite to that of the main pole ahead Is neutral as these poles do not play part in generating e.m.f. Is the same as that of the immediately preceding pole Is the same as that of the main pole ahead Is opposite to that of the main pole ahead Is neutral as these poles do not play part in generating e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator pitch for simplex lap winding is equal to 1 Number of pairs of poles None of the listed here Numbers of poles in the machine 1 Number of pairs of poles None of the listed here Numbers of poles in the machine ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS