hi guys i wanted to ask about ac motor.Does the windings/magnets have to be in a rectangular shape. Answered

Depends on the AC motor...........

One Pole

Two Pole

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Is it a universal ?

A brushless machine normal ?

Traction ?

Inside-out ?

Windings are typically oval or circular in shape. The magnets are rectangular so they all fit nicely together and cover the magnetic field created by the windings.

Why would you want the shapes to be different?

Short answer is practically - no -

Passing a current through a conductor in a magnetic field will produce movement.

The shape is defined by mechanical manufacturing considerations.

http://www.wikihow.com/Build-a-Simple-Electric-Mot...

this motor has a round field winding.