Electrical Machines In DC generator, the electricity produced in armature is DC. AC. None of these armature is not present in DC generator. DC. AC. None of these armature is not present in DC generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC machine having P no of pair of pole pairs, Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance? PZL/4Sa² PZL/ 4Sa PZL/4Sp² PZL/4S PZL/4Sa² PZL/ 4Sa PZL/4Sp² PZL/4S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer the magnetic coupling between the primary and secondary winding can be increased by increasing the number of turns. using the magnetic core of low reluctance. using soft material for winding. using transformer oil of better quality. increasing the number of turns. using the magnetic core of low reluctance. using soft material for winding. using transformer oil of better quality. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines which of the following losses are negligible in blocked rotor test? copper loss mechanical loss iron loss both A and B copper loss mechanical loss iron loss both A and B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V dc machine has an armature resistance of 1Ω.If the full-load current is 20 A, the differenc in the induced voltages when the machine is running as a motor and as a generator is 50 V 20 V zero 40 V 50 V 20 V zero 40 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The stator core of a 3 - Φ induction motor is laminated in order to reduce the hysteresis loss. eddy current loss. both of the above. weight of the stator. hysteresis loss. eddy current loss. both of the above. weight of the stator. ANSWER DOWNLOAD EXAMIANS APP
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