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WorksheetsElectrical System
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
What is part D?
a)
filament
b)
glass bulb
c)
metal tip
d)
metal casing
2.
What is part B?
a)
filament
b)
glass bulb
c)
metal tip
d)
metal casing
3.
What is part C made of?
a)
plastic
b)
glass
c)
metal
d)
rubber
4.
When the bulb is connected to a battery by wires, the current flows into the bulb along the path __________________.
a)
A , B , C , D
b)
A , D , C , B
c)
D , A , B , C
d)
C, B, D, A
5.
Study the diagrams. Which of the following bulbs will light up when the switch is closed?
a)
1
b)
2
c)
3
d)
1 and 2 only
6.
Larissa set up three electrical circuits using identical batteries and identical bulbs as shown below. The batteries and bulbs are all working properly.
Arrange the bulbs in the order of increasing brightness.
Arrange the bulbs in the order of increasing brightness.
a)
A, B, Z, C
b)
C, Z, B, A
c)
C, A, B, Z
d)
C, B, Z, A
7.
Bulb Z in the circuit fused after a while. Explain what you will observe for Bulb B.
a)
Bulb B will continue to light up.
b)
Bulb B will not light up.
c)
Bulb B will light up even brighter.
d)
Bulb B will fuse also.
8.
Study the set-ups below.
Which of the following bulbs with light up?
Which of the following bulbs with light up?
a)
A and B only
b)
B and C only
c)
A, and C only
d)
A, B and C
9.
The diagram below shows a battery.
The parts X and Y are known as the _____________ of the battery respectively.
The parts X and Y are known as the _____________ of the battery respectively.
a)
north and south poles
b)
positive and negative terminals
c)
negative and positive terminals
10.
When electricity passes through a bulb, the bulb produces ______________.
a)
heat energy only
b)
light energy only
c)
heat and light energy
11.
The diagram below shows an electric bulb. If bulb A blows, how many bulbs will remain lit?
a)
0
b)
1
c)
2
d)
3
12.
Shah sets up the circuit as shown in the diagram below. The bulb does not light up.
What should he do to make the bulb light up?
What should he do to make the bulb light up?
a)
Change the battery.
b)
Add another battery.
c)
Connect the wire to Z instead of Y.
d)
Connect the switch arm to X instead of Z.
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