Electrical Machines In the 3-phase induction motor, the resultant flux is of a constant nature and is 3/2 times maximum value of flux due to any phase 3 times maximum value of flux due to any phase 1/2 times maximum value of flux due to any phase equal to φm, where φm is the maximum flux due to any phase 3/2 times maximum value of flux due to any phase 3 times maximum value of flux due to any phase 1/2 times maximum value of flux due to any phase equal to φm, where φm is the maximum flux due to any phase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 phase stepper motor has 6 stator poles and 4 rotor poles, then find the step angle? 45° 30° 10° 60° 45° 30° 10° 60° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a shunt generator delivers 100 A at 200 V, and the resistances of the shunt field and armature are 100 ohms and 0.01 ohms respectively, the generator emf will be parallel. no resistance is connected. series. any one of the connection. parallel. no resistance is connected. series. any one of the connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction depends on which of the following? None of these 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 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines With the increase in speed of DC motor Back emf falls and line current increase. Both back emf as well as line current fall. Back emf increase but line current falls. Both back emf as well as line current increase. Back emf falls and line current increase. Both back emf as well as line current fall. Back emf increase but line current falls. Both back emf as well as line current increase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in dc motor results decrease in speed. open circuit. increase in speed. short circuit. decrease in speed. open circuit. increase in speed. short circuit. ANSWER DOWNLOAD EXAMIANS APP
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