1. It is an electrical device that is placed outside the door that makes a sound when the button is pressed.
2. It is an electrical device that is used to extend the power source.
3. It is an electrical device that has a bulb covered with umbrella-like structure.
4. The type of plug that has two wires and one round prong.
5. It is a kind of device where the end of the cord/wire receives electrical power.
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Answer:
2it is an electrical device that has a bulb