Transformers The leakage flux in a transformer depends upon load current, voltage, frequency and power factor load current load current, voltage and frequency load current and voltage load current, voltage, frequency and power factor load current load current, voltage and frequency load current and voltage 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? 9.6 0.4 4 0.96 9.6 0.4 4 0.96 ANSWER DOWNLOAD EXAMIANS APP
Transformers The permissible flux density in case of cold rolled grain oriented steel is around 3.7 Wb/m² 1.7 Wb/m² 4.7 Wb/m² 2.7 Wb/m² 3.7 Wb/m² 1.7 Wb/m² 4.7 Wb/m² 2.7 Wb/m² ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer does not posses ______changing property. Impedance Current Power Voltage Impedance Current Power Voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers To step 110 V ac down to 20 V ac, the turns ratio must be 0.018 0.18 18 5.5 0.018 0.18 18 5.5 ANSWER DOWNLOAD EXAMIANS APP
Transformers When the secondary of a transformer is short circuited, the primary inductance _______ Remians unchanged None of the listed here Is decreased Is increased Remians unchanged None of the listed here Is decreased Is increased ANSWER DOWNLOAD EXAMIANS APP