Question

explain electric motor​

Answer 1

Answer:

Electric Motor is a device which converts electrical energy into mechanical energy.

◆ Principle of Electric Motor : The principle of the electric motor is based on the fact that a current carrying conductor produces a magnetic field around it. A current carrying conductor placed perpendicular to magnetic field experiences a force.

◆ Construction of Electric Motor

1. Armature Coil : It consist of a single loop of an insulated copper wire in the form of a rectangle.
2. Strong Field Magnet : Armature coil is placed between 2 pole pieces of a strong magnet which provide strong magnetic field.
3. Split ring type commutator : It consist of 2 halves of a metallic ring.The two ends of armature coil are connected to these 2 halves of ring.Commutators reverses the direction of current in armature coil.
4. Brushes : Two carbon brushes press against the commutator.These brushes act as contact between commutator and terminal battery.
5. Battery : It is connected across the carbon brushes.It supplies current to the armature coil.

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Answer 2

Answer:

Electric motor is the electro-mechanical machine which converts the electrical energy into mechanical energy.