EMF Measurement Using Potentiometer

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EMF Measurement Using Potentiometer

### Formula

$$E=kl$$

### Terminologies

- E → EMF of cell.

- k → Potential gradient.

- l → Balancing length.

### Conditions / Special Cases

For two cells:

$$\frac{E_1}{E_2}=\frac{l_1}{l_2}$$

### Usage

- Used to compare EMFs of cells.

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