The distance between electrodes of a conductivity cell is $0.98 \mathrm{~cm}$ and area of cross section is…

The distance between electrodes of a conductivity cell is $0.98 \mathrm{~cm}$ and area of cross section is $1.96 \mathrm{~cm}^{2} .$ What is the cell constant?
  1. $1 \mathrm{~cm}^{-1}$
  2. $1.5 \mathrm{~cm}^{-1}$
  3. $2 \mathrm{~cm}^{-1}$
  4. $0.5 \mathrm{~cm}^{-1}$

Solution

Cell constant, $\mathrm{b}=\frac{\ell}{\mathrm{a}}=\frac{0.98 \mathrm{~cm}}{1.96 \mathrm{~cm}^{2}}=0.5 \mathrm{~cm}^{-1}$

Asked in: MHT CET 2020 (19 Oct Shift 1)

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