A shunt generator has a critical field resistance of 200 ω at a speed of 800 rpm.
If the speed of the generator is increased to 1,000 rpm, what is the change in the critical field resistance of the generator?
A. Decreases to 160ω
B. Remains the same at 200ω
C. Increases to 250ω
D. Increases to 312.5ω
Show Answer
Answer: C
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