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A dc shunt generator has an armature resistance of 0.1 and runs at 1200 rpm when delivering 50 kW at 250 V. The speed of the machine, when run as a motor fed from 250 V supply and drawing 50kW will be approximately | |
A. | 1410 rpm. [Wrong Answer] |
B. | 1020 rpm. [Correct Answer] |
C. | 1100 rpm. [Wrong Answer] |
D. | 1320 rpm [Wrong Answer] |