Multiple choice

Voltage required to produce spark across the gap between the sparking points is

  1. 2000 volts to 4000 volts

  2. 4000 volts to 6000 volts

  3. 10000 volts to 12000 volts

  4. 12000 volts to 25000 volts
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

12000 volts to 25000 volts

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