First slide

Ohm's law

Question

The internal resistance of a cell is the resistance of

Easy

A

electrodes of the cell
B

vessel of the cell
C

electrolyte used in the cell
D

material used in the cell

Solution

When we connect the plates of a cell by a wire, an electric current flows in the electrolyte (inside the cell) from the negative plate towards positive plate. The resistance offered by the electrolyte of the cell to the flow of current (ions) through it is called the internal resistance of the cell. Because of this resistance a part of the energy given by the cell is dissipated as heat inside the cell itself.

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