Two dc machines A and B, using the same conductor material, have armature circuit resistances of 0.4 Ω and 1.2 Ω respectively. Of the two machines,
A. A is bigger than B for the same current rating
B. A is bigger than B for the same voltage rating
C. B is bigger than A for the same current rating
D. both are of the same size for the same current rating
Show Answer
Answer: B
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