Name: _____________________________________
ELECTRICAL CIRCUITS
Fill in the blanks with the correct answer.
(10 marks)
1. The path along which electricity travels is called a _______________________________ .
2. The flow of electricity in a circuit can be controlled by a __________________________ .
3. Materials which do not allow electricity to flow through them are called _____________________.
4. The instrument used for measuring electric current is a/an ______________________.
5. Two or more dry cells coming together form a _____________________________.
6. Materials that allow electricity to flow through them are called ____________________________.
7. Electricity flows from the ________________________ end of the battery to the
_________________________ end.
8. A ___________________________ circuit provides only one path for electricity to travel.
9. A ______________________ circuit provides two or more paths for electricity to travel.
Label the diagram of the simple electrical circuit then write the function of each part
(component). Use arrows to trace the path travelled by electric current.
Name:
Function:
Name:
Function:
Name:
Function:
(6 marks)
Name the circuits shown below and give a description of each.
a)
(4 each)
b)
____________________________________________________________________________________
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Which circuit is best for wiring homes? Explain
(2 marks)
____________________________________________________________________________________
____________________________________________________________________________________
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Match the following electrical symbols in Column A to their names in Column B.
Column A
1.
Column B
_____ Battery
2.
_____ Connecting wire
3.
_____ Ammeter
4.
_____ Lamp
5.
_____ Dry cell
6.
_____ Closed switch
7.
_____ Open switch
(7 marks)
Write three electrical safety rules.
(3 marks)
1. ________________________________________________________________________
2. ________________________________________________________________________
3. ________________________________________________________________________
Give two ways of conserving electricity. (2 each)
1. ________________________________________________________________________
2. ________________________________________________________________________