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MMLU-Pro / 11928 / A 115-volt shunt motor has an armature whose resistance is 0.22 ohm. Assuming a…

Problem

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question

A 115-volt shunt motor has an armature whose resistance is 0.22 ohm. Assuming a voltage across the brush contacts of 2 volts, what armature current will flow (a) when the counteremfis 108 volts ? (b) if the motor load is increased so that the counteremfdrops to 106 volts ?

category

engineering

options

  1. 25.9 amp and 34.1 amp
  2. 21.7 amp and 30.8 amp
  3. 20.6 amp and 29.7 amp
  4. 19.5 amp and 28.6 amp
  5. 23.5 amp and 32.5 amp
  6. 18.4 amp and 27.7 amp
  7. 22.7 amp and 31.8 amp
  8. 26.2 amp and 35.3 amp
  9. 24.8 amp and 33.9 amp
  10. 17.3 amp and 26.4 amp

src

stemez-ElectricalMachines

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