Multiple choice general knowledge science & technology

The armature of a dc motor iis laminated

  1. to reduce hysteresis loss

  2. to reduce eddy current loss

  3. to reduce the cost of core

  4. to reduce the mass of the armature
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The armature of a DC motor is laminated to reduce eddy current loss. Laminations break up the path of circulating eddy currents by introducing insulation between layers, significantly reducing these parasitic currents and the associated heating losses.

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