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Lecher lines

  1. Jan 5, 2012 #1
    hi

    i wanted to make sure that i understood the concept of lecher lines...

    first i wanted to know, whether it is necessary, if you want to observe standing waves, that the length has to be adjusted, so that there are current nodes at the open end, that is not connected by a wire.?

    further, my textbook says that you can prove the existence of the magnetic field by sliding a wire that contains a light bulb over the lines. i guess the concept of this is, that there is a wire in a time changing magnetic field, so that induction causes a current through this wire, is this correct? by the way, does this wire need to fulfill some special requirements concerning its width? i thought that it might be a good idea to have a width of lambda/4, but i am not sure about that...

    sorry about my english
     
  2. jcsd
  3. Jan 6, 2012 #2

    Danger

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    Gold Member

    This is so embarrassing... :blushing:
    I saw the title of this thread and jumped in all gung-ho... and then realized upon reading the post that you weren't talking about pick-up lines that we lechers use in the bar.
     
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