Electrical Machines The constant losses in transformer is/are hysteresis loss. copper loss. eddy current loss. both 2 and 3. hysteresis loss. copper loss. eddy current loss. both 2 and 3. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the flux of DC motor approaches zero, its speed will between zero and infinity. aprroach infinity. remain unchanged. approach zero. between zero and infinity. aprroach infinity. remain unchanged. approach zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To control the speed of an induction motor, the supply frequency is reduced by 10%. For the same magnetizing current to remain constant, the supply voltage must be increased by 10% reduced by 20% increased by 20% reduced by 10% increased by 10% reduced by 20% increased by 20% reduced by 10% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The field divertor resistance for a DC series motor is of order of 50 Ω 100 Ω 10 Ω 0.1 Ω 50 Ω 100 Ω 10 Ω 0.1 Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shaded pole single phase induction motor can be used for personal computers as cooling fan wet grinders tape recorders food mixers personal computers as cooling fan wet grinders tape recorders food mixers ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following components of a DC generator plays vital role for providing direct electric current of a DC generator? Commutator. Eye bolt. Equalizer rings. Dummy coils. Commutator. Eye bolt. Equalizer rings. Dummy coils. ANSWER DOWNLOAD EXAMIANS APP
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