A shunt generator has a critical field resistance of 200 ohm at a spee – McqOptions

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1.	A shunt generator has a critical field resistance of 200 ohm at a speed of 800 rpm. If the speed of the generator is increased to 1000 rpm, what is the change in critical field resistance of the generator?
A.	Decrease to 160 ohm
B.	Remains the same at 200 ohm
C.	Increases to 250 ohm
D.	Increases to 312.5 ohm
Answer» D. Increases to 312.5 ohm

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