Electrical Machines The speed of stator rotating magnetic field (RMF) with respect to rotor is S.Ns Nr Zero Ns S.Ns Nr Zero Ns ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the developed torque DC Series Motor having armature resistance of 0.2 Ω and taking armature current of 60 A is connected to 250 V supply. Considered brush drop of 1 V each. 133.22 N-m 234.76 N-m. 266.20 N-m. cant be determined. 133.22 N-m 234.76 N-m. 266.20 N-m. cant be determined. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For P pole machine relation between electrical degrees and mechanical degrees is θelec = P/2*θmech θelec = 4/P*θmech θelec = θmech θelec = 2/P*θmech θelec = P/2*θmech θelec = 4/P*θmech θelec = θmech θelec = 2/P*θmech ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor speed of an induction motor is given by None of these Nr = 120f / p × (1-s). Ns = 120f /p × ( 1 - r). Ns = 120f / p × ( 1 - s ). None of these Nr = 120f / p × (1-s). Ns = 120f /p × ( 1 - r). Ns = 120f / p × ( 1 - s ). ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction depends on which of the following? magnitude of load current power factor of load both 1 and 2 None of these magnitude of load current power factor of load both 1 and 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two windings provided on the stator of 1-phase induction motor, one main winding and the other auxiliary winding are connected in parallel in series either of these depending on the design of the motor through inductive coupling in parallel in series either of these depending on the design of the motor through inductive coupling ANSWER DOWNLOAD EXAMIANS APP