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WorksheetsBuzzer, Motor, and Switch
Total questions: 15
Worksheet time: 10mins
What can a buzzer make?
light
noise
movement
What are two conditions that can make a buzzer work?
If the red wire of the circuit is connected to the negative end of the buzzer.
If the red wire of the circuit is connected to the positive end of the buzzer.
If the black wire of the circuit is connected to the negative end of the buzzer.
If the black wire of the circuit is connected to the positive end of the buzzer.
Which picture is an example of a buzzer?
An electrical part that converts electrical energy into mechanical energy is called (a)
Which two things are the electrical devices that use motor?
What is an action that we must avoid if we work with electricity?
We use a hairdryer which has peeled wire.
We wear a fabric gloves when we work with electricity.
Do not connect too many plugs into socket
What are two pictures that show safety in using electrical device.
This is a right action in using electricity.
true
false
A switch is an electrical component that can disconnect or connect the path in an electrical circuit.
true
false
What happen to the circuit with a switch if we flip the switch off?
The electricity in the circuit will flow to a load.
The electricity will flow around the circuit.
It will nterrupt the flow of electricity.
Why can't the electricity flow in an open switch?
Because the switch is broken.
Because there is a gap between the parts of the switch.
Because the switch needs a wire.
Below are the kinds of switch, except ......
battery switch
single pole switch
three way switch
Which picture is a switch?
An electric fan is an example of device that uses switch.
true
false
Which two devices have switches on them?
