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Answer Posted / virendra
As the three phase power is givan to the motor the
mangnatic field is devloped in the winding & it starts
rotating at synchronus speed. the mangnatic field devloed
is cut by the rotor winding & force is applied on to the
winding & rotor srats rotating. generally rotor should run
with the speed of ,amgnatic field but due to load generally
it does not happen & rotor speed is just legs to the speed
of mangnatic field this diffrence is called a pole slip
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