Conversion of Galvanometer into Voltmeter

Conversion of Galvanometer into Voltmeter

### Formula

$$R=\frac{V}{I_g}-G$$

### Terminologies

- R → Series resistance.

- V → Voltage range.

- Ig → Galvanometer current.

- G → Galvanometer resistance.

### Conditions / Special Cases

High resistance is connected in series.

### Usage

- Used to increase voltage range.