Transformers An ideal transformer is one which has a common core for its primary and secondary windings no losses and magnetic leakage interleaved primary and secondary windings core of stainless steel and winding of pure copper metal a common core for its primary and secondary windings no losses and magnetic leakage interleaved primary and secondary windings core of stainless steel and winding of pure copper metal ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is ______ the commercial efficiency. None of the listed here More than The same as Less than None of the listed here More than The same as Less than ANSWER DOWNLOAD EXAMIANS APP
Transformers Auto-transformer makes effective saving on copper and copper losses, when its transformation ratio is None of these great than one approximately equal to one less than one None of these great than one approximately equal to one less than one ANSWER DOWNLOAD EXAMIANS APP
Transformers If 25 W of power are applied to the primary of an ideal transformer with a turns ratio of 10, the power delivered to the secondary load is 25 W 2.5 W 250 W 0 W 25 W 2.5 W 250 W 0 W ANSWER DOWNLOAD EXAMIANS APP
Transformers Efficiency of a power transformer is of the order of 25 per cent 98 per cent 100 per cent 50 per cent 25 per cent 98 per cent 100 per cent 50 per cent ANSWER DOWNLOAD EXAMIANS APP
Transformers The approximate efficiency of a large transformer is 65% 80% 95% 50% 65% 80% 95% 50% ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS