separately excited d.c. generator, when running at 1200 r.p.m. supplies 200 A at 125 V to a circuit of constant resistance. What will be the current when the speed is dropped to 1000 r.p.m. and the field current is reduced to 80%? Armature resistance, 0.04 ohm and total drop at brushes, 2 V.

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A separately excited d.c. generator, when running at 1200 r.p.m. supplies 200 A at 125 V to a circuit of constant resistance. What will be the current when the speed is dropped to 1000 r.p.m. and the field current is reduced to 80%? Armature resistance, 0.04 ohm and total drop at brushes, 2 V. Ignore saturation and armature reaction
Q4// A separately excited d.c. generator, when running at 1200 r.p.m. supplies 200 A at 125
V to a circuit of constant resistance. What will be the current when the speed is dropped to
1000 r.p.m. and the field current is reduced to 80%? Armature resistance, 0.04 ohm and total
drop at brushes, 2 V. Ignore saturation and armature reaction.
have same.
marks.
Transcribed Image Text:Q4// A separately excited d.c. generator, when running at 1200 r.p.m. supplies 200 A at 125 V to a circuit of constant resistance. What will be the current when the speed is dropped to 1000 r.p.m. and the field current is reduced to 80%? Armature resistance, 0.04 ohm and total drop at brushes, 2 V. Ignore saturation and armature reaction. have same. marks.
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