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Dotted PowerPoint Presentation

Dotted

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Dotted

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  1. ? Dotted from LIGHT one single wire

  2. low voltage power - supply and a thin wire … a simple electric circuit

  3. what would you expect ? Suppose the current is large enough to make the wire glow, A B

  4. and this is what you will see :

  5. You see the shape of the glowing spots And think of the space between them Have you seen this before ? Look closer … … and guess a reason for this

  6. It’s a standing wave And how to get this ? All you need is … A magnet ! You are right ! and of course …. an alternating current

  7. in addition: …with a direct current both of these pictures A and B are wrong !

  8. What you really get … Think HOT !!! …is this