do we need two or more conductors for TEM mode to propagate?

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mw_rookie

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TEM Mode

A basic question...y do we need two or more conductors for TEM mode to propagate?and y can TM and TE modes propagate in a single conductor transmission line like a rectangular waveguide??? If anybody could throw more light, I'd really appreciate it..thx
 

Re: TEM Mode

mw_rookie said:
do we need two or more conductors for TEM mode to propagate?
Click to expand...
Yes.

mw_rookie said:
can TM and TE modes propagate in a single conductor transmission line like a rectangular waveguide???
Click to expand...
No.

TM and TE modes also propagate in transmission line composed of two conductors.
 

Re: TEM Mode

thnx for the reply...but the question was WHY do we need two or more conductors for TEM propagation...and only a single conductor for TM/TE propagation.thx..
 

Re: TEM Mode

1. Do not think about one or two conductors, both are transmission lines.
2. TEM line can transmit DC, TE,TM waveguide is not capable to do so.
 

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