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[Electives] Electronics

Total questions: 9

Worksheet time: 6mins

Name
Class
Date
1.

What is the function of the switch in an electric circuit?

a)

Turn on and turn of the light

b)

Disconnect or connect the conducting path

c)

Increase circuit power

d)

None of the above

2.

What is a breadboard/ protoboard?

a)

a board for making an experimental model of an electric wire

b)

a board for making an experimental model of an electric courrent

c)

a board for making an experimental model of an electric circuit

d)

a board for making an experimental model of an electric situation

3.

What can we call the materials we use to work with electrical current prototypes?

a)

element

b)

integrant

c)

module

d)

component

4.

The buzzer is...

a)

a light component

b)

a conector component

c)

a sound component

d)

an insulating component

5.

What is an electrical insulator?

a)

is a material in which electric current does not flow freely

b)

is a material in which electric current partially flows

c)

is a material in which electric current flows freely

6.

To connect an 3V LED lamp to a 9V battery I will need:

a)

a 9V Battery, wires and the LED

b)

A 9V Battery, wires, the LED and a resistor

c)

A 9V Battery, wires and a potentiometer

7.

Jumper wires are simply wires that have ...

a)

connector pins at each end, allowing them to be used to connect three points to each other without soldering.

b)

connector pins at each end, allowing them to be used to connect two points to each other with soldering.

c)

connector pins at each end, allowing them to be used to glue two points to each other without soldering.

d)

connector pins at each end, allowing them to be used to connect two points to each other without soldering.

8.

A resistor is...

a)

an insulating component component that opposes the flow of either direct or alternating current, employed to control the circuit

b)

a electrical component that opposes the flow of either direct or alternating current, employed to control the circuit

c)

electrical component that opposes the flow of either direct or alternating current, employed to close the circuit

d)

an insulating component component that opposes the flow of either direct or alternating current, employed to open and close the circuit

9.

A common battery (3V, 9V or 1.5V) is...

a)

a device that stores chemical energy and converts it to electrical energy

b)

device that stores electrical energy and converts it to electrical energy

c)

a device that stores radioactive energy and converts it to electrical energy

d)

a device that stores sun energy and converts it to electrical energy