The efficiency of a d.c. shunt generator is maximum when the Options: A . &nbspmagnetic losses are equal to the mechanical losses B . &nbspfield copper losses are equal to the constant losses C . &nbspstray losses are equal to the copper losses D . &nbsparmature copper losses are equal to constant losses.

The efficiency of a d.c. shunt generator is maximum when the

Question - The efficiency of a d.c. shunt generator is maximum when the

Options:

A . magnetic losses are equal to the mechanical losses

B . field copper losses are equal to the constant losses

C . stray losses are equal to the copper losses

D . armature copper losses are equal to constant losses.

Answer: Option D

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