Question

define the principal of electric motor ​

Answer 1

Answer:

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:

An electric motor is a machine which converts electrical energy into mechanical energy.

Principle:

It is based on the principle that when a current-carrying conductor is placed in a magnetic field, it experiences a mechanical force whose direction is given by Fleming's Left-hand rule and whose magnitude is given by

Force, F = B I l newton