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 0.4 25 5 0.2 0.4 25 5 ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the resistance between its primary and secondary is 1 ohm Zero Infinite 1000 ohms 1 ohm Zero Infinite 1000 ohms ANSWER DOWNLOAD EXAMIANS APP
Transformers The transformer that should never the secondary open circuited when primary is energised is _______ Auto transformer Voltage transformer Current transformer Power transformer Auto transformer Voltage transformer Current transformer Power transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Leakage reactance Copper losses Winding resistance Iron losses Leakage reactance Copper losses Winding resistance Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Which motor is preferred for use in mines where explosive gases exist? Air motor Induction motor Synchronous motor Shunt motor Air motor Induction motor Synchronous motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
Transformers The steel used for transformer core has High silicon content Low hysteresis loss All of the listed here High permeability High silicon content Low hysteresis loss All of the listed here High permeability ANSWER DOWNLOAD EXAMIANS APP