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Physics

Total questions: 93

Worksheet time: 2hrs 33mins

Name
Class
Date
1.

The flow of electrons in a circuit

a)

Cell

b)

Current

c)

Free to move

2.

Which is the part of a circuit

a)

Lamp

b)

All

c)

Cell

d)

Switch

3.

Two or more cells connected together in series

a)

Electrons

b)

Current

c)

Battery

4.

Cause things to move closer together by a force

a)

Attract

b)

Terminals

c)

Repel

5.

Negatively charged particles

a)

Protons

b)

Neutrons

c)

Electrons

6.

Cause things to move apart by a force

a)

Attract

b)

Repel

c)

Currently

7.

The connectors on a component

a)

Current

b)

Electrons

c)

Terminals

8.

Which component's terminals are not labelled

a)

Battery

b)

Lamp

c)

Ammeter

9.

The component that change chemical energy to electrical energy

a)

Cell

b)

Wires

c)

Electrons

10.

The property of electrons which makes them attracted top positive charges

a)

Neutral charge

b)

Positively charge

c)

Negatively charge

11.

When the metal is placed into a circuit, the electrons move in ......

a)

Randomly

b)

Same direction

12.

Opposite charges .......,

Like charges ......

a)

attract; attract

b)

attract; repel

c)

repel; attract

d)

repel; repel

13.

Positive and positive charge ...

a)

Repel

b)

Attract

14.

Electrons will be attracted towards the ....... terminals

a)

Negative

b)

Positive

15.

Electrons can only flow in a .... circuit

a)

Complete

b)

Break

c)

Without wires

16.

The bulb will light up.

a)

True

b)

False

17.

(Definition)

An electric current is the

a)

flow of electricity

b)

flow of electric charge

c)

rate of flow of electric charge

d)

conventional current

18.

The SI unit of current is the

a)

volt ( V ) 

b)

ohm ( Ω\Omega )

c)

ampere ( A )

19.

In a closed electric circuit, current flows from

a)

the negative terminal of a battery to the positive terminal

b)

the positive terminal of a battery to the negative terminal

20.

In a closed electric circuit, the electron flow

a)

occurs from the negative terminal of a battery to the positive terminal

b)

occurs from the positive terminal of a battery to the negative terminal

21.

The potential difference (or p.d.) between any two points is the

a)

amount of energy needed to move one unit of electric current from one point to another.

b)

amount of energy needed to move one unit of electric charge from one point to another.

22.

The SI unit of potential difference is the

a)

volt ( V ) 

b)

ohm ( Ω\Omega )

c)

ampere ( A )

23.

Identify the type of electric circuit.

a)

Parallel circuit

b)

Series circuit

24.

Identify the type of electric circuit.

a)

Parallel circuit

b)

Series circuit

25.

Which circuit shows the correct arrangement of an ammeter and a voltmeter?

a)
b)
c)
d)
26.

Assuming that the same battery and bulb are used, which circuit produces the brightest bulb?

a)
b)
27.

In both circuits, one of the bulbs blows out. In which circuit will there remain a bulb light up?

a)
b)
28.

The resistance of a component is the

a)

ratio of the current flowing through it to the potential difference across it

b)

ratio of the potential difference across it to the current flowing through it

29.

The SI unit of resistance is the

a)

volt ( V ) 

b)

ohm ( Ω\Omega )

c)

ampere ( A )

30.

Which circuit will produce a brighter bulb?

a)
b)
31.

The circuits below show variable resistors (rheostats) of varying resistance. Which circuit produces a brighter bulb?

a)
b)
32.

Why is electrical wiring usually made from copper?

a)

Because copper is shiny

b)

Because copper conducts electricity

c)

Because copper is not magnetic

d)

Because copper insulate electricity

33.

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

a)

An electrical conductor

b)

An electrical insulator

c)

An electrical source

d)

An electric appliance

34.
An incomplete circuit is shown.
To complete the circuit, a wire should be placed from —
a)
Point D to Point C
b)
Point B to Point C
c)
Point A to Point D
d)
Point B to Point D
35.
Which of the following can work as an energy source?
a)
Battery
b)
Light bulb
c)
Wire
d)
All of them
36.
Which bulbs will light?
a)
1 and 2
b)
2 and 3
c)
3 and 4
d)
4 and 2
37.
Choose the correct sentence.
a)
This circuit will work because it is an open circuit.
b)
This circuit will work because it is a closed circuit.
c)
This circuit will NOT work because it is an open circuit.
d)
This circuit will NOT work because it is a closed circuit.
38.

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

a)

To make it look pretty

b)

To help electricity flow along the wire

c)

To make it safe

d)

To add more energy

39.
Which of these materials is a good insulator?
a)
Plastic and metal
b)
Metal and rubber
c)
Plastic and rubber
40.
What is the function of the light bulb in a circuit?
a)
It increases the strength of the electricity.
b)
It changes electricity to light energy.
c)
It provides electricity to the battery.
d)
It opens and closes the circuit.
41.

The circuit on the left is not complete (the light is off) because:

a)

the switch is closed

b)

the switch is open

c)

the battery is missing

d)

the battery is in backwards

42.

What type of circuit is shown in the picture?

a)

Series Circuit

b)

Broken Circuit

c)

Parallel Circuit

d)

Open Circuit

43.

This steel paperclip would allow electricity to flow through it because:

a)

it is a conductor

b)

it is an insulator

c)

it is friendly

d)

it breaks the circuit

44.

This rubber ducky would block the flow of electricity, because:

a)

it is a conductor

b)

it is an insulator

c)

it is yellow

d)

it completes the circuit

45.
What kind of circuit is this?
a)
series
b)
parallel
46.
The wire that gives off the light in a light bulb.
a)
fahnestock clip
b)
support wires
c)
filament
47.
The circuit that has only one path for electricity to travel around.
a)
parallel circuit
b)
series circuit
c)
no circuit
48.

The act of going around. A system that connects electrical devices so they will operate is?

a)

skeleton

b)

volt

c)

circuit

d)

filament

49.
A unit used to measure the electric potential of a battery is called...
a)
current
b)
electricity
c)
volt
50.
This circuit has a battery, buzzer, and switch.
When the switch is closed the buzzer will sound because -
a)
the switch gives energy to the battery
b)
the buzzer is made of special plastic
c)
the wires are cooled by the surrounding air
d)
electricity can flow in a complete path
51.

Resistance is a measure of...

a)

the number of terminals

b)

how hard it is for electrons to move through the battery

c)

how hard it is for electrons to move through the circuit

d)

how many volts are in the battery

52.

1. How many types of circuit?

a)

1

b)

3

c)

2

d)

4

53.

2. What type of this circuit?

a)

series circuit

b)

parallel circuit

c)

incomplete circuit

d)

simple circuit

54.

3. What type of this circuit?

a)

series circuit

b)

parallel circuit

c)

incomplete circuit

d)

simple circuit

55.

4. How many path of electric current flow in a series circuit?

a)

5

b)

2

c)

1

d)

4

56.

5. Choose the correct symbol of a dry cell.

a)
b)
c)
d)
57.

6. Choose the correct symbol of a bulb.

a)
b)
c)
d)
58.

7. Choose the correct symbol of a wire.

a)
b)
c)
d)
59.

8. Choose the correct symbol of a switch.

a)
b)
c)
d)
60.

9. This circuit diagram is a ______________ circuit.

a)

simple

b)

parallel

c)

incomplete

d)

series

61.

9. This circuit diagram is a ______________ circuit.

a)

simple

b)

parallel

c)

incomplete

d)

series

62.

When the second bulb is added, they get

a)

brighter

b)

dimmer

c)

broken

d)

cold

63.

What is the measuring device shown?

a)

bulb

b)

cell

c)

ammeter

d)

voltmeter

64.

What can you say about the current in the series circuit?

a)

it splits across the components

b)

it changes constantly

c)

it is different in different places

d)

it is the same everywhere

65.

Which component provides the energy for the charges?

a)

cell

b)

bulb

c)

switch

d)

ammeter

66.

If the ammeter says the current is 5A, what is the current flowing through one bulb?

a)

2.5A

b)

10A

c)

5A

d)

0

67.

If one bulb was broken, what would happen?

a)

current would no longer flow, so everything would be off

b)

the ammeter would measure a current from the other bulb

c)

the switch would keep the current flowing

d)

the cell would burn out and catch fire

68.

What is the name of the device which measures current?

(a)  

69.

Current is measured in

a)

Volts

b)

Watts

c)

Seconds

d)

Amps

70.

If the switch was opened, what would happen?

a)

the ammeter would measure a current flowing

b)

current would no longer flow, so everything would be off

c)

the bulbs would stay on because they're connected to the cell

d)

the bulbs would burn out and catch fire

71.

Name the charged particle, which is part of an atom, that flows in a circuit

a)

proton

b)

electron

c)

neutron

d)

elepton

72.

What causes a decrease in current?

a)

Adding another bulb

b)

increasing resistance

c)

decreasing voltage from the supply

d)

decreasing the resistance

73.

If the current flowing through the cell is 2A, what is the ammeter reading?

a)

5A

b)

1A

c)

6A

d)

2A

74.
Electricity that flows in a closed path is called a
a)
path
b)
current
c)
circuit
75.
The flow of electricity in a circuit-
a)
current
b)
flow
c)
circuit
76.
Magnetism created by an electric current
a)
electricity
b)
electromagnetism
c)
wind energy
77.
____________ allows electricity to flow.
a)
A conductor
b)
An insulator
c)
A magnet
78.
____________ stops the flow of electricity.
a)
A conductor
b)
An insulator
c)
A magnet
79.
To complete a circuit the switch must be
a)
unattached
b)
open
c)
closed
80.
When the switch is closed, the light
a)
comes on
b)
stays off
c)
burns out
81.
The plastic around the wire is
a)
conductor
b)
insulator
c)
decoration
82.
If the lights are on, the circuit is
a)
closed
b)
open
83.
If the lights are off, the circuit is
a)
closed
b)
open
84.
The flow of electricity requires a
a)
complete path
b)
incomplete path
c)
insulated current
85.
What part of a circuit is this object?
a)
energy source
b)
energy receiver
c)
electrical conductor
d)
switch
86.
An example of a conductor is :
a)
a glass paperweight
b)
a plastic cap
c)
a metal screw
d)
a wooden handle
87.
An example of an insulator is:
a)
iron
b)
silver
c)
copper wire
d)
rubber
88.
What is the difference between a conductor and an insulator?
a)
An insulator allows electricity to flow through it easily and a conductor does not
b)
A conductor allows electricity to flow through it easily and an insulator does not.
c)
An insulator is magnetic and a conductor is not
d)
A conductor is magnetic and an insulator is not
89.
What is the purpose of a switch?
a)
To open and close the circuit.
b)
To carry the electricity through the circuit.
c)
To make a fun clicking sound
d)
To supply the power to the circuit
90.
What are the components of a simple circuit?
a)
wires, switch, outlet
b)
battery, switch, motor
c)
wires, light bulb, motor
d)
wires, battery, light bulb
91.
Is this circuit open or closed?
a)
Closed
b)
Open
92.
What kind of energy is the electricity transferred into in a toaster?
a)
sound
b)
light
c)
heat
d)
light and heat
93.
Choose the correct sentence.
a)
This circuit will work because it is an open circuit.
b)
This circuit will work because it is a closed circuit.
c)
This circuit will NOT work because it is an open circuit.
d)
This circuit will NOT work because it is a closed circuit.

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