Which among the following is CORRECT formula for determination of cell constant?

Which among the following is CORRECT formula for determination of cell constant?
  1. $\frac{l}{\mathrm{a}}=\frac{\mathrm{k}}{\mathrm{R}}$
  2. $\frac{l}{\mathrm{a}}=\mathrm{k} \cdot \mathrm{R}$
  3. $\frac{l}{\mathrm{a}}=\frac{\mathrm{R}}{\mathrm{k}}$
  4. $\frac{l}{\mathrm{a}}=\frac{1}{\mathrm{R}}$

Solution

$\begin{array}{ll} & \mathrm{k}=\mathrm{G} \frac{\mathrm{l}}{\mathrm{a}}=\frac{1}{\mathrm{R}} \frac{\mathrm{l}}{\mathrm{a}} \\ \therefore \quad & \text { Cell constant }=\frac{l}{\mathrm{a}}=\mathrm{k} \cdot \mathrm{R}\end{array}$

Asked in: MHT CET 2023 (11 May Shift 1)

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