Transformers The open circuit test on a transformer is always made on ______ Either low or high voltage winding None of the listed here Low voltage winding High voltage winding Either low or high voltage winding None of the listed here Low voltage winding High voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers When secondary of a current transformer is open-circuited its iron core will be none of above will happen hot because of heavy iron losses taking place in it due to high flux density cool as there is no secondary current hot because primary will carry heavy current none of above will happen hot because of heavy iron losses taking place in it due to high flux density cool as there is no secondary current hot because primary will carry heavy current ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the coefficient of coupling for a transformer in which 4% of the total flux generated in the primary does not pass through the secondary? 4 0.4 0.96 9.6 4 0.4 0.96 9.6 ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer gives _______ Copper losses Friction losses Total losses Iron losses Copper losses Friction losses Total losses Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The secondary of a current transformer is always short-circuited under operating conditions because it is safe to human beings None of these avoids core saturation and high voltage induction protects the primary circuit is safe to human beings None of these avoids core saturation and high voltage induction protects the primary circuit ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the resistance between its primary and secondary is Zero 1000 ohms Infinite 1 ohm Zero 1000 ohms Infinite 1 ohm ANSWER DOWNLOAD EXAMIANS APP