Describe how an ammeter is connected in an electric circuit?
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Question: Describe how an ammeter is connected in an electric circuit?
An ammeter is a device used to measure electric current in a circuit. To connect an ammeter in an electric circuit, follow these steps:
1. Turn Off the Power: Before making any connections, ensure that the power source (e.g., battery or power supply) to the circuit is turned off to prevent any electrical hazards.
2. Identify the Points: Locate the two points in the circuit where you want to measure the current. The ammeter should be connected in series with the circuit, meaning it becomes part of the pathway for the current to flow.
3. Open the Circuit: To insert the ammeter into the circuit, you will need to open the circuit at the desired location. This can be done by disconnecting one component or breaking the circuit at that point.
4. Connect the Ammeter: Once the circuit is open, connect the ammeter in series with the circuit. This means connecting one terminal of the ammeter to the point where the current is coming from and the other terminal to the point where the current is going to.
5. Polarity: Pay attention to the polarity of the ammeter, if it is a direct current (DC) ammeter. The positive terminal of the ammeter should be connected in the direction of the current flow.
6. Close the Circuit: After connecting the ammeter, close the circuit again by reconnecting the broken section or component.
7. Turn On the Power: Once the ammeter is properly connected in the circuit, turn on the power source.
The ammeter will now measure the current flowing through the circuit, and its reading can be observed on the ammeter display or scale. Remember to select an ammeter that is suitable for the range of current you expect to measure, as exceeding the ammeter's capacity can damage the device.
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