The brush potential of a separately excited generator, when it is delivering 5 A is 125 V.
Channel: Doubtnut
Date: 2020-08-02

The brush potential of a separately excited generator, when it is delivering 5 A is 125 V. When the generator dilivers 15 A, the potential difference across the brushes fall to 122 V. What are the induced e.m.f. and the resistance of armature ?