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Mr. Dubey • 100.69K Points
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Q. In mercury arc rectifiers the voltage drop in arc is nearly

  • (A) 0.1 volt per centimeter of arc length
  • (B) 1 volt per centimeter of arc length
  • (C) 10 volts per centimeter of arc length
  • (D) 12 to 15 volts per centimeter of arc length.
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