Electrical Machines Field winding of a DC series motor is usually provided with thick wire to provide large flux. as it carries large load current. in order to reduce eddy current to provide large flux. to reduce the insulation of materials. to provide large flux. as it carries large load current. in order to reduce eddy current to provide large flux. to reduce the insulation of materials. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Inter pole winding is connected in-------------------------- ? series with armature parallel with armature series with main poles parallel with main poles series with armature parallel with armature series with main poles parallel with main poles ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When Flemings right hand rule to find the direction of induced emf, the thumb points towards opposite to the direction of motion of the conductor. direction of flux. direction of motion of the conductor. direction of induced emf. opposite to the direction of motion of the conductor. direction of flux. direction of motion of the conductor. direction of induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has the highest power factor at full load? Shaded pole Capacitor start Capacitor run Resistance split phase Shaded pole Capacitor start Capacitor run Resistance split phase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When flux density is constant in a transformer, hysteresis loss varies as V² f² f V V² f² f V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The efficiency of a transformer is mainly dependent on stray losses. copper losses. dielectric losses. core losses. stray losses. copper losses. dielectric losses. core losses. ANSWER DOWNLOAD EXAMIANS APP