Electrical Circuits
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• Question 1
30 seconds
Q.

Why is electrical wiring usually made from copper?

Because copper is shiny

Because copper conducts electricity

Because copper is not magnetic

Because copper insulate electricity

• Question 2
30 seconds
Q.

Which of the following materials is an electrical conductor?

Plastic spoon

Silver-colored plastic spoon

copper spoon

wooden spoon

• Question 3
30 seconds
Q.

A material that does NOT let electricity pass through it is called ...

An electrical conductor

An electrical insulator

An electrical source

An electric appliance

• Question 4
30 seconds
Q.

What is a circuit that only has ONE path for electricity to flow?

series circuit

closed circuit

parallel circuit

light bulb

• Question 5
30 seconds
Q.

What is a circuit with several paths for electricity to flow?

conductor

series circuit

parallel circuit

open circuit

• Question 6
60 seconds
Q. An incomplete circuit is shown.
To complete the circuit, a wire should be placed from —
Point D to Point C
Point B to Point C
Point A to Point D
Point B to Point D
• Question 7
60 seconds
Q. This circuit has a battery, buzzer, and switch.
When the switch is closed the buzzer will sound because -
the switch gives energy to the battery
the buzzer is made of special plastic
the wires are cooled by the surrounding air
electricity can flow in a complete path
• Question 8
30 seconds
Q. Which of the following can work as an energy source?
Battery
Light bulb
Wire
All of them
• Question 9
30 seconds
Q. Which bulbs will light?
1 and 2
2 and 3
3 and 4
4 and 2
• Question 10
30 seconds
Q. Choose the correct sentence.
This circuit will work because it is an open circuit.
This circuit will work because it is a closed circuit.
This circuit will NOT work because it is an open circuit.
This circuit will NOT work because it is a closed circuit.
• Question 11
30 seconds
Q. Does this diagram represent a series or parallel circuit?
series circuit
parallel circuit
• Question 12
45 seconds
Q. What will happen if one light bulb is removed from this circuit?
The other bulbs will go out.
The other bulbs will stay on
The other bulbs will get dimmer.
The battery will become stronger.
• Question 13
30 seconds
Q.

Why is electrical wiring usually are covered with a layer of plastic?