KCET · Physics · Units and Dimensions
Which one of the following is not correct?
- A Dimensional formula of thermal conductivity (K) is \(M^{1} L^{1} T^{-3} K^{-1}\)
- 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
Answer & Solution
Correct Answer
(B) Dimensional formula of potential (V) is \(M^{1} L^{2} T^{3} A^{-1}\)
Step-by-step Solution
Detailed explanation
Dimensional formula of potential \([V]=\left[\mathrm{M}^{1} \mathrm{~L}^{2} \mathrm{~T}^{-3} \mathrm{~A}^{-1}\right]\) Dimensional formula of \([R C]=\left[\mathrm{M}^{0} \mathrm{~L}^{0} \mathrm{~T}^{1}\right]\).
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