Transformers When load on a transformer is decreased, ______loss is decreased Hysteresis Friction Copper Eddy current Hysteresis Friction Copper Eddy current ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the energy is conveyed from primary to secondary through air None of these by the flux through cooling coil through air None of these by the flux through cooling coil ANSWER DOWNLOAD EXAMIANS APP
Transformers The temperature rise of transformer is directly proportional to _______ Leakage reactance None of the listed here Apparent power Reactive power Leakage reactance None of the listed here Apparent power Reactive power ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine magnetising current magnetising current and loss core loss copper loss efficiency magnetising current magnetising current and loss core loss copper loss efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 8,800 V 88 V 880 V 8.8 V 8,800 V 88 V 880 V 8.8 V ANSWER DOWNLOAD EXAMIANS APP
Transformers For the parallel operation of single phase transformers it is necessary that they should have same polarity same kVA rating same efficiency same number of turns on the secondary side. same polarity same kVA rating same efficiency same number of turns on the secondary side. ANSWER DOWNLOAD EXAMIANS APP