Electrical Machines Which of the following is minimized by laminating the core of a transformer? Hysteresis loss. Stray loss. Eddy current loss. Copper loss. Hysteresis loss. Stray loss. Eddy current loss. Copper loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator, if P be the number of poles and N be the rpm of the rotor, then frequency of magnetic reversals will be PN/2. PN/60. PN/120. PN/3000. PN/2. PN/60. PN/120. PN/3000. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the applied voltage to a dc machine is 230 V, then the back emf, for maximum power developed, is 230 V 200 V 115 V 460 V 230 V 200 V 115 V 460 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On what factors the speed of dc motor depends? All of these. Field flux. Armature current Ia. Applied voltage. All of these. Field flux. Armature current Ia. Applied voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Inter pole winding is connected in-------------------------- ? parallel with armature series with armature parallel with main poles series with main poles parallel with armature series with armature parallel with main poles series with main poles ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For an ideal transformer the winding should have equal resistance on primary and secondary side minimum resistance on primary side and maximum resistance on secondary side maximum resistance on primary side and least resistance on secondary side no ohmic resistance on either side equal resistance on primary and secondary side minimum resistance on primary side and maximum resistance on secondary side maximum resistance on primary side and least resistance on secondary side no ohmic resistance on either side ANSWER DOWNLOAD EXAMIANS APP
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