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WorksheetsElectrical components and functions
Total questions: 12
Worksheet time: 6mins
It is used to complete and break the electric circuit.
bulb
switch
bulb holder
wires
Which of the following is the bulb holder?
Choose the correct electrical component according to the picture.
switch
wire
dry cell
Choose the correct electrical component used to connect each electrical component.
Function of switch is
Switch can break (OFF) and complete (ON) the circuit
Switch can supply electrical energy
Function of bulb is
Supply electrical energy
Produce light
can break (OFF) and complete (ON) the circuit
Choose the correct electrical component according to the picture.
bulb
bulb holder
dry cell
connecting wire
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
A material that does NOT let electricity pass through it is called ...
An electrical conductor
An electrical insulator
An electrical source
An electric appliance
Why is electrical wiring usually are covered with a layer of plastic?
To make it look pretty
To help electricity flow along the wire
To make it safe
To add more energy
