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MMLU-Pro / 11382 / A cumulative compound motor has a varying load upon it which requires a…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

A cumulative compound motor has a varying load upon it which requires a variation in armature current from 50 amp to 100 amp. If the series-field current causes the air-gap flux to change by 3 percent for each 10 amp of armature current, find the ratio of torques developed for the two values of armature current.

category

engineering

options

  1. 2.26
  2. 0.66
  3. 3.95
  4. 1.00
  5. 2.89
  6. 1.75
  7. 4.12
  8. 1.15
  9. 0.87
  10. 3.40

src

stemez-ElectricalMachines

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