Q164 / 180 · KCET 2013 · Physics

Which one of the following is not correct?

  • A
    Dimensional formula of thermal conductivity (K) is $M^{1} L^{1} T^{-3} K^{-1}$
  • Correct answer
    B
    Dimensional formula of potential (V) is $M^{1} L^{2} T^{3} A^{-1}$
  • C
    Dimensional formula of permeability of free space $\left(\mu_{0}\right)$ is $M^{1} L^{1} T^{-2} A^{-2}$
  • D
    None of the above

Solution

Dimensional formula of potential $[V]=\left[\mathrm{M}^{1} \mathrm{~L}^{2} \mathrm{~T}^{-3} \mathrm{~A}^{-1}\right]$ Dimensional formula of $[R C]=\left[\mathrm{M}^{0} \mathrm{~L}^{0} \mathrm{~T}^{1}\right]$.

Hence, the correct answer is option: 'B'.

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