In electromechanical energy conversion devices (e.g generators and motors) a small air gap is left between the stator and the rotor in order to

  • A.

    reduce the reluctance of the magnetic path

  • B.

    increase flux density in the air gap

  • C.

    permit mechanical clearance

  • D.

    avoid saturation of field

Answer: Option C

Solution(By Morningexam Team)

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