Difference between ammeter and voltmeter
| Ammeter | Voltmeter |
| Definition | |
| It is a galvanometer having law resistance in parallel. It is used to measure current. | It is a galvanometer having high resistance in series. It is used to measure potential difference. |
| Resistance | |
| A low value resistance called SHUNT is connected in parallel with the ceil of galvanometer. | A high value resistance is connected in series with the coil of galvanometer. |
| Type of connection | |
| Ammeter is always connected in series with circuit. | Voltmeter is always connected in parallel with circuit. |
| Option | |
| To measure large current, a low resistance connected in parallel with galvanometer. | To measure high P.D. a high resistance is connected in series with galvanometer. |
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