Electrical Machines When maximum flux density is constant, the eddy current losses are proportional to f2 V2 V f f2 V2 V f ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Exciting current of an induction motor is equal as power transformer. none of these. lesser than power transformer. higher than power transformer. equal as power transformer. none of these. lesser than power transformer. higher than power transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The induction motor shaft is made of mild steel. stainless steel. aluminium. cast iron. mild steel. stainless steel. aluminium. cast iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The low voltage winding of a 400/230 V single phase 50 Hz transformer is to be connected to keep the magnetization current at the same level in both the cases the voltage at 25 Hz should be 460 V 115 V 230 V 65 V 460 V 115 V 230 V 65 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On what factors the speed of dc motor depends? Applied voltage. All of these. Field flux. Armature current Ia. Applied voltage. All of these. Field flux. Armature current Ia. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The short circuit test on a transformer is conducted to obtain hysteresis loss. core loses only. copper losses. eddy current loss. hysteresis loss. core loses only. copper losses. eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
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