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1. |
When two D.C. series generators are running in parallel, an equalizer bar is used |
A. | To increase the speed and hence generated e.m.f. |
B. | To increase the series flux |
C. | So that two similar machines will pass approximately equal currents to the load |
D. | To reduce the combined effect of armature reaction of both machines |
Answer» D. To reduce the combined effect of armature reaction of both machines | |