What is the advantage of using an electric switch in an electric circuit ?

Explanation

**Step-by-Step Solution:**

1. **Definition of an Electric Switch:**
An electric switch is a device used in electrical circuits to control the flow of electric current.

2. **Function of the Electric Switch:**
The primary function of an electric switch is to either allow or stop the flow of electricity in a circuit. When the switch is in the "on" position, it completes the circuit, allowing current to flow. Conversely, when the switch is in the "off" position, it breaks the circuit, stopping the current.

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