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The concept of plasma and how a plasma ball works. It also provides a list of experiments that can be performed with a plasma ball and their explanations. a useful resource for students studying physics and electricity.
Typology: Exercises
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CMSO, University of Wisconsin – Madison, 2008
A plasma is created whenever atoms of a gas are heated up so they are extremely hot. The atoms have so much energy that when they collide, the electrons get knocked off. Therefore, a plasma is a bunch of electrons and ions. Plasma Ball The plasma ball is a miniature Tesla coil. Inside the ball is a coil of wires that have a very high frequency current going through them. This means the electrons in the wires are oscillating very quickly. This shakes the atoms around the wires so hard that their electrons start to fall off and a plasma is formed! Inside the glass globe is a partial vacuum. This just means that some of the air has been sucked out. Because there is not as much air in there, it is easier to make electric sparks that can be seen. Try This: