What are the main components of an electric circuit? Why are metal wires used in electric circuits? [3 MARKS]

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Solution

Components: 2 Marks
Wires: 1 Mark

In general, a circuit has the following components:

1) A cell or battery: source of electricity

2) Connecting wires: conductor

3) Key or switch

4) Bulb or electric device

Metal wires are used in electric circuits because the metals are good conductors of electricity and allow current to pass through them.

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