On what factors does the internal resistance of a cell depend?

The formula for internal resistance of a cell

Define : Internal resistance

The internal resistance of the cell can be determine by,

On what factors does a potential gradient of a wire depend.

On what factors does the retarding potential of a photocell depend ?

Is internal resistance a defect of a cell? Explain.

On what factors does the frequency of aconical pendulum depends? Is it independent of some factors?

On what factors does the frequency of a conical pendulum depends ? Is it independent of some factors ?

When a balance point is obtained in a potentiometer for finding the internal resistance of a cell, the current through the potentiometer wire is due to

On what factors does intensity of sound depends.