Q. A 220 V separately excited dc motor takes 20 A and the armature resistance is 1.0 Ω if the armature constant KaΦ =1.5rad/sec, the speed of the motor is
Answer of this question "A 220 V separately excited dc motor takes 20 A and the armature resistance is 1.0 Ω if the armature constant KaΦ =1.5rad/sec, the speed of the motor is", here are 4 choices for this question : 1000rpm, 2000/ π, 3000/ π rpm, 4000/π rpm. Answer Is "4000/π rpm".