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1. Place a "C" on the line next to
each item listed below that is a good conductor of electricity.
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Copper |
Aluminum |
Cloth |
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Rubber |
Plastic |
Mica |
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Silver |
2.Tick the boxes next to a reason
why a conductor is covered with insulating material.
To prevent someone from touching a
bare conductor and receiving a severe shock.
To prevent electrons electrically leaking from the conductor and losing current flow.
To prevent bare conductors from touching each other and causing a short circuit.
3. Is the electrical diagram shown
below a complete circuit?
Yes No
4.Tick the basic elements that make up a complete electrical circuit.
An electrical source.
A utilisation device, such as a light bulb.
An insulator to keep the elements from touching.
A conductor through which current flows.
5. When all components in the
circuit are in one continuous path, the circuit is called a
series circuit.
parallel circuit.
series-parallel circuit.
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