A 220 V separately excited dc motor takes 20 A and the armature resist – McqOptions

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1.	A 220 V separately excited dc motor takes 20 A and the armature resistance is 1.0 Ω. If the armature constant KaΦ = 1.5 rad/sec, the speed of the motor is
A.	1000 rpm
B.	2000/π rpm
C.	3000/π rpm
D.	4000/π rpm
Answer» E.

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