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1. |
A 200 V d.c machine has Ra = 0.5 Ω and its full-load la = 20 A. Determine the induced e.m.f when the machine acts as a motor. |
A. | 210 V |
B. | 190 V |
C. | 200 V |
D. | 215 V |
Answer» C. 200 V | |