Does plasma have a charge? Can it be contained other than by magnetic field? What are the properties of plasma?
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In physics and chemistry, plasma is a state of matter similar to gas in which a certain portion of the particles are ionized. After sufficient heating a gas dissociates its molecular bonds, rendering it into constituent atoms. However, further heating may also lead to ionization (a loss or gain of electrons) of the molecules or atoms of the gas, thus turning it into a plasma, containing charged particles: positive ions and negative electrons. Since plasma is a state of matter it doesn't have a definite shape. An example will be how the sun is plasma and so is lighting, same form of matter but not same shapes.
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Plasma does have a charge + ion and - electron field which almost cancel eachother. It is self-contained in ball lightning. It moves like a liquid, but does not flow. A plasma TV does not involve the same plasma that is self-contained. Because the small electrically charged ionized gases are in a TV screen doesn't mean it would be sustained.
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The properies of plasma are very similar to that of a gas: it has no definate shape or volume (it adopts that of its container), it can be compressed, and it's particles have no real binding to other particles. The only major difference is that plasma has an electric charge. I don't think it can easily be contained without a magnetic field