The demagnetizing component of armature reaction in a D.C. generator
A. Reduces generator e.m.f.
B. Increases armature speed
C. Reduces interpoles flux density
D. Results in sparking trouble
Answer: Option A
A. Reduces generator e.m.f.
B. Increases armature speed
C. Reduces interpoles flux density
D. Results in sparking trouble
Answer: Option A
A cumulatively compounded long shunt generator when operating as a motor would be
A. Cumulatively compounded long shunt
B. Differentially compounded long shunt
C. Cumulatively compounded short shunt
D. Differentially compounded short shunt
A. Demagnetization only
B. Cross magnetization as well as magnetization
C. Cross-magnetization as well as demagnetizing
D. Cross magnetization only
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