Physics · DC Motors
The speed of a DC motor cannot be varied by changing which of the following parameters?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1External resistance in the armature circuit
- 2Terminal voltage of the armature
- 3The flux per pole
- 4Lamination of the field core✓
Correct answer
Lamination of the field core
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