let do some exercise.

electricity 

a)      Name the sources of electricity shown above

i.                     P - .........................................................

ii.                   Q - .........................................................

iii.                  R - .........................................................

iv.                 S - ..........................................................

b)      Which sources of electricity is used in motorised vehicles?

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c)       Which sources of electricity is used to light up bicycle lamp?

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i)                    Name the component in the circuit and draw the symbol in the table

component	symbol
A
B
C
D

ii)      Draw  a circuit diagram to represent the electric circuit

1.       Name the circuit X and Y

i.                     X - ................................................................................................

ii.                   Y - ................................................................................................

2.       What is the difference in arrangement of the bulbs in those 2 circuit?

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3.       Which circuit have brighter bulb?

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4.       Describe the brightness of bulb when bulbs in circuit X if another bulb are added in the circuit?

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5.       Draw circuit diagram to represent both X and Y circuit