What is the purpose of using an electric switch? Name some electrical gadgets that have switches built into them.

Explanation

### Step-by-Step Text Solution

**Step 1: Understanding the Purpose of an Electric Switch**
- An electric switch is a device that can open or close an electric circuit.
- When the switch is in the "on" position, it allows electric current to flow through the circuit, powering the connected device (like a bulb or fan).
- When the switch is in the "off" position, it breaks the circuit, stopping the flow of electricity and turning off the device.

**Step 2: Importance of Using a Switch**
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