Transformers Which motor is preferred for use in mines where explosive gases exist? Synchronous motor Induction motor Shunt motor Air motor Synchronous motor Induction motor Shunt motor Air motor 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 s.N. (Ns-l)s (l-s)Ns Ns s.N. (Ns-l)s (l-s)Ns ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer should never have the secondary open circuited while the primary is energised? Auto transformer Power transformer Current transformer Potential transformer Auto transformer Power transformer Current transformer Potential transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers When a 6 V battery is connected across the primary of a transformer with a turns ratio of 8, the secondary voltage is 0.75 V 48 V 6 V 0 V 0.75 V 48 V 6 V 0 V ANSWER DOWNLOAD EXAMIANS APP
Transformers A certain transformer has 400 turns in the primary winding and 2,000 turns in the secondary winding. The turns ratio is 0.2 25 0.4 5 0.2 25 0.4 5 ANSWER DOWNLOAD EXAMIANS APP
Transformers Material used for construction of transformer core is usually Wood Silicon steel Aluminium Copper Wood Silicon steel Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
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