Question

12. A cell constant is related to specific conductance (Ls) by the relation. ·
Ls
a) Cell constant = Ls L.
(b) Cell constant =
L
Ls
L
(c) Cell constant =
(d) Cell constant =
R
Ls​

Answer 1

Answer:

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Answer 2

Answer:

Cell constant = specific conductance (Ls) × Resistance (R)

Therefore,  the option (d) is correct.

Explanation:

• Cell constant can be determined by measuring the distance between the cell electrodes (l) and the area of cross-section (A).
• We can also measure the cell constant from specific conductance and resistance of the cell.
• Specific conductance is the conductance of one centimeter cube of conductor. It has unit ohm⁻¹cm⁻¹. It is denoted by $\kappa$ or Ls.

Therefore,  $\frac{l}{A}=L_{s}.R$

Cell constant = specific conductance × Resistance

Therefore, cell constant is the product of specific conductance and resistance.