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WorksheetsUnit Test: Electric Circuit
Total questions: 20
Worksheet time: 3hrs 20mins
Will the electricity flow in the electric circuit if the switch is open or not connected to both ends?
No, because it is a complete circuit.
Yes, because it is a complete circuit.
No, because it is an incomplete circuit.
Yes, because it is an incomplete circuit.
Which of the following supplies electricity to the electric circuits?
Connecting wires
Bulb
Battery
Switch
Which of the following is the symbol of a switch?
What is this component?
Switch
Battery
Bulb
Connecting wires
What is the function of the rubber/plastic
in the circuit?
Used as a conductor
Used as an insulator
Used as a power source
Used as a breaker
The diagram shows what kind of circuit?
Closed circuit
Open circuit
What should we do to complete the circuit?
We should put more switches.
We should use connecting wire to connect A with C.
We should add connecting wire to connect A with D.
We should add more light bulbs.
________________ circuit has separate paths for electric current to flow through the components in the circuit.
Series
Parallel
________________ circuit are connected to each other by end to end without any branches.
Series
Parallel
When the switch is turned off, the bulb does not light up. The circuit is ________.
Incomplete circuit
Complete circuit
What kind of circuit is this?
Series circuit or Parallel circuit?
(a)
True or False:
We use switch to complete or break the circuit.
False
True
True or False:
When one bulb is broken in a series circuit, all the bulbs in the circuit will not light up.
True
False
What is the filament in the bulb made of?
Copper
Tungsten
Gold
Silver
Which of the following is an example of an object that uses series circuit?
Wirings at home
Fairy lights
Car lights
Lights in the office
How many terminals are there in a dry cell?
1
2
3
4
It allows electricity to flow through it.
Bulb
Battery
Switch
Connecting wires
It will light up when electricity flows through it.
Connecting wires
Bulb
Switch
Battery
Which circuit is commonly used in the electrical wirings in the houses?
Series circuit
Parallel circuit
True or False:
In parallel circuit, all bulbs will have equal brightness.
True
False
