MCQOPTIONS
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| 1. |
The voltage required to produce a spark across the gap, between the sparking points is |
| A. | 2000-4000 volts |
| B. | 4000-6000 volts |
| C. | 6000-10000 volts |
| D. | 10000-12000 volts |
| Answer» D. 10000-12000 volts | |