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In a synchronous motor armature current flows due to
revolving flux which in turn rotates the load,but in no
load condition armature current is zero hence thr is no
revolving flux then how motor rotates?
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Answer Posted / amita sharma
DUE TO RESIDUAL MAGNETISM THERE IS SOME FLUX WHICH INDUCES
EMF IN THE ROTOR AND THERE FORE THE MOTOR ROTATES.
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