Monday, April 25, 2016

A shunt generator has a critical field resistance of 200 ohms 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


  1.  Decrease to 160 ohm
  2. Remains the same at 200 ohm
  3. Increase to 250 ohm
  4. Increase to 312.5 ohm
Answer: Increase to 250 ohm
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