Which type of machine produced the Rotating magnetic field? 

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PGCIL NER DT (Electrical) 27 Feb 2022 Official Paper
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  1. DC shunt motor 
  2. Two phase Induction motor 
  3. Stepper motor 
  4. DC series motor 

Answer (Detailed Solution Below)

Option 2 : Two phase Induction motor 
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Detailed Solution

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The correct answer is option 2):(Two-phase Induction motor )

Concept:

Two-phase Induction motor 

  • The induction motor consists of a stator and rotor.
  • In the stator, a group of fixed windings is so arranged that a two-phase current, for example, produces a magnetic field that rotates at an angular velocity determined by the frequency of the alternating current.

The two-phase waveform ​is shown below.

SSC Network D2

Additional Information

F8 Madhuri Engineering 25.07.2022 D17

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