Physics And Measurement Question 125

Question: $ ML^{3}{{T}^{-1}}{{Q}^{-2}} $ is dimension of

[RPET 2000]

Options:

A) Resistivity

B) Conductivity

C) Resistance

D) None of these

Show Answer

Answer:

Correct Answer: A

Solution:

Resistivity

$ [\rho ]=\frac{[R].[A]}{[l]}\text{where }[R]=[ML^{2}{{T}^{-1}}{{Q}^{-2}}] $

$ \therefore $ $ [\rho ]=[ML^{3}{{T}^{-1}}{{Q}^{-2}}] $



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