Electrical Measurements

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Electrical Measurements

### Ammeter

$$I=\frac{Q}{t}$$

### Voltmeter

$$V=\frac{W}{q}$$

### Galvanometer

$$\tau=NBAI$$

### Terminologies

- N → Number of turns.

- B → Magnetic field.

- A → Area of coil.

### Usage

- Used in measurement instruments.

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