Question

To study the various factors on which the internal resistance/emf of a cell depends

Answer 1

Answer:

Explanation:

The internal resistance of a cell is inversely proportional to the area of the electrodes dipped in electrolyte.The internal resistance of a cell is inversely proportional to the temperature of electrolytes.  The internal resistance of a cell is inversely proportional to the concentration of the electrolyte.

Answer 2

Different factor on which internal resistance of cell depends

Explanation:

Internal resistance is the resistance by electrolyte to the ions flow.

Internal resistance of a cell depend

- gap between the electrodes, higher the gap higher will be resistance

- but it inversely proportional to dipped area of electrode and electrolytes temperature and

- also inversely proportional to concentration of given electrolyte.

Internal resistance is given as

$r = \frac{E_V}{I}$

where E is emf of cell

V- voltage

I - current

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