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Home  >>  JEEMAIN and AIPMT  >>  Physics  >>  Class11  >>  Units and Measurement
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The dimensions of electrical resistance is

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

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1 Answer

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$R=\large\frac{V}{I}$
$\quad=\large\frac{ML^2T^{-3}A^{-1}}{A}$
$\quad=ML^2T^{-3}A^{-2}$
Hence the dimensions of electrical resistance is $ML^2T^{-3}A^{-2}$
Hence b is the correct answer.

 

answered Jun 19, 2013 by meena.p
edited Jan 9, 2014 by meena.p
 

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