DC Generators In a practical dc generator, mechanical efficiency is Less than electrical efficiency Equal to electrical efficiency More than electrical efficiency None of the listed here Less than electrical efficiency Equal to electrical efficiency More than electrical efficiency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators, the brushes on commutator remain in contact with conductors which Lie under South Pole Are farthest from the poles Lie under interpolar region Lie under North Pole Lie under South Pole Are farthest from the poles Lie under interpolar region Lie under North Pole ANSWER DOWNLOAD EXAMIANS APP
DC Generators The purpose of providing dummy coils in a generator is To amplify voltage To enhance flux density To reduce eddy current losses To provide mechanical balance for the rotor To amplify voltage To enhance flux density To reduce eddy current losses To provide mechanical balance for the rotor ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 4-pole dc machine has _____ magnetic circuits. 6 2 4 8 6 2 4 8 ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a simplex wave winding, the number of parallel paths is equal to _____ 2 Numbers of poles in the machine None of the listed here Number of pairs of poles 2 Numbers of poles in the machine None of the listed here Number of pairs of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators The main drawback of a dc shunt generator is that Shunt field circuit has high resistance It is expensive Terminal voltage drops considerably Generated voltage is small Shunt field circuit has high resistance It is expensive Terminal voltage drops considerably Generated voltage is small ANSWER DOWNLOAD EXAMIANS APP