Q. 89 A single-phase half-controlled rectifier is driving a separately excited dc motor.The dc motor has a back emf constant of 0.5 V/rpm. The armature current is 5 A without any ripple. The armature resistance is
. The converter is working from a 230 V, single-phase ac source with a firing angle of 
. Under this operating condition, the speed of the motor will be
(A) 339 rpm
(B) 359 rpm
(C) 366 rpm
(D) 386 rpm
Answer:(*)
Explanation:
Not Required.
