1. 2000 to 4000 volts
  2. 4000 to 6000 volts
  3. 6000 to 10,000 volts
  4. 10,000 to 12,000 volts
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1 Answers

Answer: Option 3

The voltage required to produce a spark across the gap, between the sparking points is 6000 to 10,000 volts

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