1. The induced Torque of Dc-motor depends on: A)Rotor speed B) armature current C) a+b D) none 2- voltage regulation (VR
Posted: Sun May 15, 2022 5:09 pm
1. The induced Torque of Dc-motor depends on: A)Rotor speed B) armature current C) a+b D) none 2- voltage regulation (VR%) of ideal transformer equal : A)zero. B) 100% C) 0.01 < VR% <0.09 D) none 3- Short circuit test of a transformer is used to find: A)winding resistance b)magnetizing reactance c)windings reactance