A 200 V dc motor takes 50 A in series and is operating at a speed of – McqOptions

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1.	A 200 V dc motor takes 50 A in series and is operating at a speed of 1000 rpm when full of electrical components (load). Its resistance is 0.2 Ω. What value of series resistance will offer a rated torque at 800 rpm?
A.	3.8 Ω
B.	0.76 Ω
C.	0.54 Ω
D.	2.6 Ω
Answer» C. 0.54 Ω

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