When two D.C. generators are running in parallel an equilizer bar is u – McqOptions

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1.	When two D.C. generators are running in parallel an equilizer bar is used______________?
A.	to increase the series flux
B.	to increase the generated e.m.f.
C.	to reduce the combined effect of ar-mature reaction of both the machines
D.	so that the two identical machines will pass approximately equal cur¬rents to the load
Answer» E.

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