Transformers The maximum efficiency of a distribution transformer is at full load at no load at 80% full load at 50% full load at full load at no load at 80% full load at 50% full load ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will work on Dc only None of the listed here AC as well as DC Ac only Dc only None of the listed here AC as well as DC Ac only ANSWER DOWNLOAD EXAMIANS APP
Transformers In Ns is the synchronous speed and s the slip, then actual running speed of an induction motor will be Ns (l-s)Ns s.N. (Ns-l)s Ns (l-s)Ns s.N. (Ns-l)s ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer, leakage flux Is minimised by interleaving the primary and secondary windings Produces mutually induced emf Helps in transfer of energy Is negligible at full load Is minimised by interleaving the primary and secondary windings Produces mutually induced emf Helps in transfer of energy Is negligible at full load ANSWER DOWNLOAD EXAMIANS APP
Transformers The permissible flux density in case of cold rolled grain oriented steel is around 4.7 Wb/m² 1.7 Wb/m² 3.7 Wb/m² 2.7 Wb/m² 4.7 Wb/m² 1.7 Wb/m² 3.7 Wb/m² 2.7 Wb/m² ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine copper loss efficiency magnetising current core loss magnetising current and loss copper loss efficiency magnetising current core loss magnetising current and loss ANSWER DOWNLOAD EXAMIANS APP
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