The dimensions of  ${\left( {{\mu _0}{\varepsilon _0}} \right)^{ - \frac{1}{2}}}$ are

  • [AIPMT 2011]
  • [AIPMT 2012]
  • A

    $L^{1/2}T^{-1/2}$

  • B

    $L^{-1}T$

  • C

    $LT^{-1}$

  • D

    $L^{1/2}T^{1/2}$

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  • [AIIMS 2005]

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