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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CAT Formulas
Current Electricity
Electrical Measurements
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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