Transformers A transformer has 200 W as iron loss at full load. The iron loss at full load. The iron loss at half full load will be 200 W 100 W 50 W 400 W 200 W 100 W 50 W 400 W ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Leakage reactance Iron losses Eddy current loss Copper loss Leakage reactance Iron losses Eddy current loss Copper loss ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load on a transformer is carried out to determine efficiency of the transformer magnetising current magnetising current and loss copper loss efficiency of the transformer magnetising current magnetising current and loss copper loss ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer routine efficiency depends upon Both power factor and load current Power factor of load Supply frequency Load current Both power factor and load current Power factor of load Supply frequency Load current ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is ______ the commercial efficiency. Less than None of the listed here The same as More than Less than None of the listed here The same as More than ANSWER DOWNLOAD EXAMIANS APP
Transformers In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of more than 15 A None of these less than 15 A 15 A more than 15 A None of these less than 15 A 15 A ANSWER DOWNLOAD EXAMIANS APP