Question

An universal motor (ac operated) has 2pole armature with 1440 conductors. At a certain load, motor speed id 5000rpm and the armature current is 5a; the armature terminal voltage and input power are respectively 100v and 400w. The effective armature reactance will be

Answer 1

An universal motor (ac operated) has 2pole armature with 1440 conductors. At a certain load, motor speed id 5000rpm and the armature current is 5a; the armature terminal voltage and input power are respectively 100v and 400w. The effective armature reactance will be 450 watts