Question

What are circuits? How do they work?​

Answer 1

Explanation:

An electrical circuit is composed of a source of electrical power, two wires that can carry electric current, and a light bulb. One end of both the wires is attached to the terminal of a cell while their free ends are connected to the light bulb. The electrical circuit is broken when the bulb is switched off.

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Answer 2

Answer:

A circuit is the path that an electric current travels on..

How do they work :-

The wires in a circuit carry the electric current to various parts of an electrical or electronic system. ... Two wires connect to the light. For electrons to do their job in producing light, there must be a complete circuit so they can flow through the light bulb and then back out.

I hope it helps you...