Transformers In Ns is the synchronous speed and s the slip, then actual running speed of an induction motor will be s.N. (l-s)Ns Ns (Ns-l)s s.N. (l-s)Ns Ns (Ns-l)s ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its None of the listed here Power efficiency Energy efficiency Current efficiency None of the listed here Power efficiency Energy efficiency Current efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers The leakage flux in a transformer depends upon load current load current and voltage load current, voltage and frequency load current, voltage, frequency and power factor load current load current and voltage load current, voltage and frequency load current, voltage, frequency and power factor ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary of a transformer are ______ coupled. Electrically None of the listed here Magnetically Electrically and magnetically Electrically None of the listed here Magnetically Electrically and magnetically ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer oil must be free from Sludge Gases Moisture Odour Sludge Gases Moisture Odour ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual flux in a transformer remains constant at all loads because ______ Applied voltage and frequency are constant Leakage flux is small Losses are small Iron core is used Applied voltage and frequency are constant Leakage flux is small Losses are small Iron core is used ANSWER DOWNLOAD EXAMIANS APP