What is plasma and what is its relation to electric current?
Understand the Problem
The question is asking about the concept of plasma and how it relates to electric current. Plasma is one of the four fundamental states of matter, and it often conducts electricity due to the presence of charged particles. The relationship between plasma and electric current involves understanding how plasma can be influenced by and can conduct electric fields.
Answer
Plasma is a state of matter with free-moving ions and electrons, allowing it to conduct electricity and support electric currents.
Plasma is the fourth state of matter comprising free-moving positive ions and electrons. It is created by electrical discharges, allowing charged particles to absorb energy from electric fields. This makes plasma conductive, facilitating electric currents.
Answer for screen readers
Plasma is the fourth state of matter comprising free-moving positive ions and electrons. It is created by electrical discharges, allowing charged particles to absorb energy from electric fields. This makes plasma conductive, facilitating electric currents.
More Information
Plasma is often observed in nature as lightning or auroras, and is used in fluorescent lights and plasma televisions.
Tips
Sometimes plasmas are incorrectly thought of as just hot gases; however, plasmas contain free electrons and ions that make them unique.
Sources
- Plasma (physics) - Wikipedia - en.wikipedia.org
- About Plasmas and Fusion - Princeton Plasma Physics Laboratory - pppl.gov
- DOE Explains...Plasma - Department of Energy - energy.gov
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