Q. full load efficiency of 85% has armature resistance of 0.25 ohms. Calculate the value of starting resistance in ohms for a current 1.5 times of the full load current.

(A) 2.788
(B) 3.038
(C) 2.688
(D) 2.588

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✅ Correct Answer: (A) 2.788

Explanation: full load current = 7460/(200*0.85) = 43.88 a

Published by Mr. Dubey ⭐ 104.82K Points at 17-Sep-2023 11:28 am in Electrical Drives and Controls (EDC)

Explanation by: Mr. Dubey

full load current = 7460/(200*0.85) = 43.88 a

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