Question

what is the principal of electric motor​

Answer 1

Explanation:

The principle of electric motor is when a current carrying conductor is placed in a magnetic field it experiences a force. In case of dc motor we have field windings on stator and armature on the rotor. The field and the armature are connected to the dc supply. The field winding generates a constant dc flux.

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Answer 2

Answer:

The principle of an electric motor is based on the current carrying conductor which produces magnetic field around it. A current carrying conductor is placed perpendicular to the magnetic field so that it experiences a force.