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Mr. Dubey • 100.64K Points
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Q. An electrical train employing a dc series motor is running at the fixed speed, when a sudden slight drop in the mains voltage occurs. This would result in:

  • (A) drop in the speed and rise in the current
  • (B) rise in the speed and drop in the current
  • (C) rise in the speed and rise in the current
  • (D) drop in speed with current unaltered
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