Electrical Machines CRGO steel is used in the core of transformer to reduce eddy current loss. ohmic loss. hysteresis loss. both eddy current and hysteresis loss. eddy current loss. ohmic loss. hysteresis loss. both eddy current and hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If input of a transformer is square wave the output will be square wave. pulsed wave. sine wave. triangular wave. square wave. pulsed wave. sine wave. triangular wave. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two transformers with identical rating, are designed with flux densities of 1.2 and 1.4 Wb / m2 respectively. The weight of first transformer per kVA is less than that of second transformer. none of these. equal to that of second transformer. more than that of second transformer. less than that of second transformer. none of these. equal to that of second transformer. more than that of second transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The flux involved in the emf equation of a transformer has total value. maximum value. average value. rms value. total value. maximum value. average value. rms value. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The no load current in a transformer lags the applied voltage by 0°. 90°. about 115°. about 75°. 0°. 90°. about 115°. about 75°. ANSWER DOWNLOAD EXAMIANS APP