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Home  >>  JEEMAIN and AIPMT  >>  Physics  >>  Class11  >>  Units and Measurement
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Dimensional formula for electrical resistivity

\[(a)\;ML^3T^{-3}I^{-2} \quad (b)\;ML^2T^{-2}I \quad (c)\;ML^3T^{-2}I^{-2} \quad (d)\;ML^3T^{-3}I^{2}\]

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$R=\large\frac{\rho\; l}{A}$
Hence a is the correct answer.
answered Jun 18, 2013 by meena.p
edited May 30, 2014 by lmohan717
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