Study of Effect of Different Electrode Shapes on Dielectric (Air) Breakdown
1. For 1 cm gap in air at 760 mm pressure and 20°C temperature the Break Down Voltage is -
2. Sphere gaps are used to measure -
3. Sphere gap BDV measurement is linear and valid for gap spacing less than -
4. In volt-time characteristics, the breakdown voltage for a negative impulse is _______ the positive impulse.
5. The main factors that affect the spark over voltage of sphere gap are -