Transformers The principle of working of transformer is Dynamic induction Mutual induction Static induction Self induction Dynamic induction Mutual induction Static induction Self induction ANSWER DOWNLOAD EXAMIANS APP
Transformers The iron core is used to ______of the transformer. Reduce core loss Increase the wight Provide tight magnetic coupling None of the listed here Reduce core loss Increase the wight Provide tight magnetic coupling None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Which motor is preferred for use in mines where explosive gases exist? Synchronous motor Air motor Shunt motor Induction motor Synchronous motor Air motor Shunt motor Induction motor ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine magnetising current magnetising current and loss copper loss efficiency core loss magnetising current magnetising current and loss copper loss efficiency core loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer breaths in when load on it increases load on it decreases None of these load remains constant load on it increases load on it decreases None of these load remains constant ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer, leakage flux Is minimised by interleaving the primary and secondary windings Is negligible at full load Helps in transfer of energy Produces mutually induced emf Is minimised by interleaving the primary and secondary windings Is negligible at full load Helps in transfer of energy Produces mutually induced emf ANSWER DOWNLOAD EXAMIANS APP