Q.The field system of an alternator is usually excited at

  • A250/ 250 V DC
  • B110 / 220 V AC
  • C3-phase, 50 Hz 400 V
  • D230V AC
Correct Answer : (A)

250/ 250 V DC

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The field system of an alternator is usually excited at 250/ 250 V DC.

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