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Dimensions of Ponyting Vector

  1. Jun 15, 2011 #1
    Sorry for the trivial question. But I'm not a physics student by training and I think I running into problems due to interchanging metrical systems.

    [tex]S = E \times H[/tex]

    [tex]
    E \equiv \frac{N}{C}[/tex]

    [tex]
    H \equiv \frac{N}{A \cdot m}


    [/tex]

    Also, is there any standard operator for denoted dimensions of a quantity? The answer should be power per unit area - I get some extra charge dimensions among other things. Cross product should behave dimensionally as normal multiplication.
     
  2. jcsd
  3. Jun 15, 2011 #2

    ehild

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    The dimension of H is current/length so the unit is A/m.

    ehild
     
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