What is the difference between a non-self-sustaining gas discharge and an independent one?

What is the difference between a non-self-sustaining gas discharge and an independent one? What is the current-voltage characteristic of a gas discharge?

Non-self-sustaining discharge occurs thanks to an ionizer that promotes the creation of ions in the air. A self-sustained discharge will exist without an ionizer.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.