State the purpose of using the following in an electric circuit.
Ammeter

Explanation

**Step-by-Step Solution:**

1. **Definition of Ammeter**: An ammeter is an electrical instrument used to measure the current in a circuit.

2. **Purpose of an Ammeter**: The primary purpose of using an ammeter in an electric circuit is to measure the flow of electric current. This measurement is crucial for understanding how much current is passing through different components of the circuit.

3. **Placement in Circuit**: An ammeter is connected in series with the circuit components. This ensures that all the current flowing through the circuit also flows through the ammeter, allowing for an accurate measurement.

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