SSC JE Electrical Engineering 24 Jan 2018 Morning Paper

Question : 101 of 199

Marks: +1, -0

ELECTRICAL

Which one of the following is the dimensional formula resistivity?

Solution:

Resistivity (ρ)

= {ML^2}/{A^2T^3}×L^2/L

={ML^3}/{A^2T^3}

∴ (\ρ)=ML^3T^{-3}A^{-2}

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