DC Generators
The number of parallel paths in a simplex lap winding is equal to

None of the listed here
Number of poles
2
Number of pairs of poles

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DC Generators
When two D.C. generators are running in parallel an equalizer bar is used

So that the two identical machines will pass approximately equal currents to the load
To increase the generated e.m.f.
To increase the series flux
To reduce the combined effect of armature reaction of both the machines

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