Electrical Machines In salient pole synchronous machine, the reluctance power varies as sinδ cos2δ cosδ sin2δ sinδ cos2δ cosδ sin2δ ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC machine having P no of pole pairs Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance for lap-winding ? PZL/4Sa² PZL/4S PZL/4SP² PZL/ 4Sa PZL/4Sa² PZL/4S PZL/4SP² PZL/ 4Sa ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eb/Vt ratio of a DC motor is an indication of speed regulation. running torque. efficiency. starting torque. speed regulation. running torque. efficiency. starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a star - delta starting of an IM line voltage is 57.7 % of stator voltage. resistance is inserted in the rotor. applied voltage per stator phase is 57.7 % of a line volt reduced voltage is applied to the stator. line voltage is 57.7 % of stator voltage. resistance is inserted in the rotor. applied voltage per stator phase is 57.7 % of a line volt reduced voltage is applied to the stator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines With the increases in field excitation of a DC generator, its generated emf increases. decreases. increases upto a limit and then remains almost constant. remains constant. increases. decreases. increases upto a limit and then remains almost constant. remains constant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The primary and secondary windings of a transformer are electrically linked. inductively linked. conductively linked. mechanically linked. electrically linked. inductively linked. conductively linked. mechanically linked. ANSWER DOWNLOAD EXAMIANS APP