Electric Machines Mega Quiz 7

(a) oscillating magnetic field

(b) pulsating magnetic flux

(c) relative rotation between field and armature

(d) all above

(a) odour of barning insulation

(b) unbalanced magnetic pull producing vibrations

(c) reduction of generated voltage for which excitation has to be increased to maintain the voltage

(d) all above

(a) wave wound

(b) lap wound

(c) delta wound

(d) duplex wound

(a) lap winding

(b) wave winding

(c) delta winding

(d) duplex wave winding

(a) number of armature coils

(b) number of armature coil sides

(c) number of armature conductors

(d) number of armature turns