Moderate

In a shaded pole single-phase motor, the revolving field is produced by the use of_________?

Correct answer: D. shading coils

  • A. inductor
  • B. capacitor
  • C. resistor
  • D. shading coils

Explanation

Shading coils are short-circuited copper rings placed around part of each pole. Their induced current creates a phase-shifted flux, producing the weak revolving field needed for starting.

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