Free Printable Y9 U9 Test Review

Free Printable Worksheets

Worksheets

Y9 U9 Test Review

Total questions: 182

Worksheet time: 2hrs 24mins

Name

Class

Date

1.

this is the symbol for a _____?

a)

switch

b)

light

c)

battery

d)

wires

2.

what is this symbol for?

a)

light bulb

b)

cell

c)

battery

d)

resistor

3.

This is the symbol for a ...

a)

Wire

b)

Battery

c)

Buzzer

d)

Fuse

4.

this is the symbol for a _____?

a)

switch

b)

light

c)

battery

d)

wires

5.

what is this symbol for?

a)

light bulb

b)

cell

c)

battery

d)

resistor

6.

This is the symbol for a ...

a)

Wire

b)

Battery

c)

Buzzer

d)

Fuse

7.

This is the circuit symbol for ...

a)

an AC current source

b)

a DC current source

c)

an ammeter

d)

a voltmeter

8.

This is the circuit symbol for ...

a)

an AC current source

b)

a DC current source

c)

an ammeter

d)

a voltmeter

9.

This is the symbol for

a)

An Ammeter

b)

A Voltmeter

c)

A Meter

d)

A Motor

10.

This is the symbol for a _____?

a)

Lamp

b)

Water wheel

c)

Loudspeaker

d)

Motor

11.

a)

Closed switch

b)

Push switch

c)

Trap door

d)

AC Power supply

12.

A circuit that has a complete path for charge to flow.

a)

current

b)

electron

c)

closed circuit

d)

open circuit

13.

The flow of electrical charge

a)

current

b)

insulator

c)

resistors

d)

light bulb

14.

Which symbol represents a 'cell'?

a)

b)

c)

d)

15.

Which symbol represents an 'open switch'?

a)

b)

c)

d)

16.

Which symbol represents an 'ammeter'?

a)

b)

c)

d)

17.

Which symbol represents a 'voltmeter'?

a)

b)

c)

d)

18.

Which symbol represents a 'bulb'?

a)

b)

c)

d)

19.

Which symbol represents a 'closed switch'?

a)

b)

c)

d)

20.

Which symbol represents a 'battery'?

a)

b)

c)

d)

21.

A small device that stores energy in a chemical form

a)

Complete circuit

b)

Switch

c)

Power source

d)

Battery

22.

What form of energy is stored in an electrical cell or battery?

a)

Chemical

b)

Electrical

c)

Kinetic

d)

Nuclear

23.

What is the scientific name for the ‘push’ around the circuit?

a)

Charge

b)

Current

c)

Energy

d)

Potential difference

24.

The force that pushes the electricity through a circuit is called...

a)

resistance

b)

voltage

c)

current

d)

switch

25.

The flow of electricity through a conductor is called...

a)

resistance

b)

voltage

c)

current

d)

source of electric current

26.

This measures the speed of the current in a circuit

a)

voltage

b)

ammeter

c)

switch

d)

resistance

27.

What slows down the flow of electricity in a circuit?

a)

resistance

b)

voltage

c)

current

d)

source of electric current

28.

Which circuit (s) are parallel?

a)

A

b)

A and B

c)

B and C

d)

C

29.

Which one will still function if one light bulb goes out?

a)

A-Series

b)

B-Parallel

c)

A-Parallel

d)

B-Seriese

30.

Electricity is the flow of _________.

a)

Protons

b)

Neutrons

c)

Electrons

31.

Current is...

a)

how fast the electrons are moving

b)

the flow of electrical charge

c)

the power source

d)

the amount of energy gained/lost across two points

32.

Match the following circuit parts to their symbol:

a)

1.

cell

b)

2.

battery

c)

3.

voltmeter

d)

4.

lamp

e)

5.

resistor

33.

Match the following circuit parts with their symbols:

a)

1.

ammeter

b)

2.

motor

c)

3.

open switch

d)

4.

closed switch

e)

5.

variable resistor

34.

Which lamps will light up? Select all the lamps that will light up.

A

B

C

35.

Which lamps will light up? Select all the lamps that will light up.

A

B

C

36.

Which lamps will light up? Select all the lamps that will light up.

A

B

C

37.

Which schematic circuit matches this circuit picture?

a)

b)

c)

38.

This is the symbol for

a)

Variable resistor

b)

Thermistor

c)

Resistor

d)

Fuse

39.

What is the correct reading on meter V₁ in the following circuit?

The lamps are identical. Include your unit.

(a)

40.

What is the correct reading on meter A₁ in the following circuit?

The lamps are identical. Include your unit.

(a)

41.

What is the correct reading on meter A₂ in the following circuit?

The lamps are identical. Include your unit.

(a)

42.

What is the correct reading on meter V₃ in the following circuit?

The lamps are identical. Include your unit.

(a)

43.

What is the correct reading on meter V₄ in the following circuit?

The lamps are identical. Include your unit.

(a)

44.

What is the correct reading on meter A₃ in the following circuit?

The lamps are identical. Include your unit.

(a)

45.

What is the correct reading on meter A₄ in the following circuit?

The lamps are identical. Include your unit.

(a)

46.

What is the reading on the ammeter labeled "A"?

(a)

47.

What is the reading on the ammeter labeled "A₄"?

(a)

48.

What is the reading on the voltmeter labeled "V"?

(a)

49.

What is the reading on the voltmeter labeled "V₄"?

(a)

50.

What is the voltage of each cell in this circuit?

(a)

51.

What are the readings on ammeters A1 if the readings on A2=2A and A3=2A?

(a)

52.

What are the readings on ammeters A4 if the readings on A2=3A and A3=3A?

(a)

53.

What are the readings on ammeters A3 if the readings on A1=3A and A4=3A?

(a)

54.

What are the readings on ammeter A₂ if the reading on A₁= 0.5A

(a)

55.

What are the readings on ammeter A₃ if the reading on A₁= 3A

(a)

56.

What are the readings on V₂ if the reading on V₁=12V?

(a)

57.

What are the readings on V₁ if the reading on V₃=9V?

(a)

58.

What is the reading on voltmeter V₁ if the reading on V₂=9V and V₃=3V?

(a)

59.

What is the reading on voltmeter V₃ if the reading on V₂=9V and V₁=12V?

(a)

60.

What is the reading on voltmeter V₂ if the reading on V₃=3V and V₁=9V?

(a)

61.

Which statement describes current in a series circuit?

a)

It stays the same throughout

b)

It splits up across each component

c)

It increases

d)

It multiplies depending on the water flow

62.

Which statement describes voltage in a series circuit?

a)

It stays the same throughout

b)

It splits up across each component

c)

It increases

63.

Which statement describes current in a parallel circuit?

a)

It splits up through each component

b)

It splits across the branches

c)

It stays the same throughout

64.

What happens to the voltage in a parallel circuit?

a)

It stays the same throughout

b)

It splits across the branches

c)

It splits up across each component

65.

Which of the following is a way of increasing the current in an electrical circuit?

a)

Increasing the voltage

b)

Increasing the resistance

c)

Decreasing the voltage

66.

What happens to the resistance when more lamps are added in series?

a)

Nothing, it stays the same

b)

It increases

c)

It decreases

67.

What is the resistance of the resistor in this circuit?

a)

20ohms

b)

1.8ohms

c)

0.05ohms

d)

18ohms

68.

What is the current in this circuit?

a)

1 A

b)

0.5 A

c)

2 A

d)

6A

69.

If the resistance in this circuit is halved, what will the current be?

a)

1.2 A

b)

0.4 A

c)

0.2 A

d)

0.6 A

70.

The diagram shows part of a circuit. What is the resistance of the resistor shown?

a)

0.25 ohms

b)

9 ohms

c)

6 ohms

d)

4 ohms

71.

The diagram shows part of a circuit. What is the reading shown on the ammeter?

a)

0.25 A

b)

0.3 A

c)

3.3 A

d)

21 A

72.

The diagram shows part of a circuit. What is the reading displayed on the voltmeter?

a)

60 V

b)

5.4 V

c)

17.7 V

d)

4.5 V

73.

What is the total resistance of this circuit?

a)

5000 ohms

b)

100 ohms

c)

500 ohms

d)

1500 ohms

74.

If the supply voltage is 12V, what is the current in this circuit?

a)

0.012 A

b)

0.008 A

c)

0.005 A

d)

0.5 A

75.

What is the resistance of a resistor that has a voltage of 6V and a current of 2A?

a)

3Ω

b)

2Ω

c)

4Ω

d)

6Ω

76.

What is the resistance of a lamp that has a voltage of 9V and a current of 1.5A?

a)

3 ohms

b)

6 ohms

c)

12 ohms

d)

9 ohms

77.

What is the resistance of a heater that has a voltage of 230 V and a current of 10 A?

a)

23 ohms

b)

20 ohms

c)

25 ohms

d)

30 ohms

78.

The circuit contains a battery, lamp, ammeter and voltmeter. Which other component is shown?

a)

a fixed resistor

b)

a variable resistor

c)

a fuse

d)

a current

e)

a lamp

79.

This circuit contains a cell of potential difference 1.5 V and a 50 Ω resistor. Calculate the current flowing in the circuit.

a)

0.03 A

b)

0.01 A

c)

0.1 A

d)

0.5 A

80.

The resistor in the circuit shown has a potential difference of 4.2 V across it. If the ammeter reads 2A, what is the resistance of the resistor?

a)

1.5 ohms

b)

2.1 ohms

c)

3.0 ohms

d)

4.2 ohms

81.

The circuit below contains two identical lamps, connected in parallel.

Given that the current through the ammeter is 0.5 A, how much current flows through each lamp?

a)

0.25 A

b)

1 A

c)

0.75 A

d)

0.5 A

82.

How could the designer check the repeatability of the results?

a)

Repeat the experiment with a different resistor in the circuit.

b)

Repeat the experiment using exactly the same method.

c)

Repeat the experiment with different types of shoe.

83.

How does resistance affect current?

a)

less resistance - less current

b)

more resistance - less current

c)

more resistance - more current

d)

resistance does not affect current

84.

What is current measured in?

a)

Ω (Ohms)

b)

V (Volts)

c)

A (Amps)

d)

W (Watts)

85.

What is resistance measured in?

a)

Ω (Ohms)

b)

V (Volts)

c)

A (Amps)

d)

W (Watts)

86.

If the Voltage is increased and the resistance stays the same, Current will

a)

Increase

b)

Decrease

c)

Stay the same

d)

X

87.

How do you calculate current from voltage and resistance?

a)

Current = voltage x resistance

b)

Current = resistance x power

c)

Current = voltage ÷ resistance

d)

Current = resistance ÷ voltage

88.

If the current through a resistor is 2A and the voltage across it is 12V, what is the resistance

a)

12Ω

b)

6Ω

c)

24Ω

d)

0.167Ω

89.

If each cell provides a potential difference of 1.5 volts.What is the total potential difference provided by the four cells in the circuit?

(a)

90.

In the circuit what is the name of the component labelled X?

a)

Variable Resistor

b)

Light-Dependent resistor

c)

Thermistor

d)

Resistor

91.

Varying the voltage across a component and measuring the current a student collected some results.

The results obtained by the student have been plotted on a graph.

What is the resistance of this component in ohms? (value only needed)

(a)

92.

What type of circuit is this?

a)

Parallel

b)

Series

c)

Simple

d)

Broken

93.

If the current on the first ammeter is 5A, what is the current on the second ammeter?

a)

5A

b)

2.5A

c)

0A

d)

10A

94.

What happens to the current in a circuit which has a high resistance?

a)

Changes

b)

Stays the same

c)

Increases

d)

Decreases

95.

What piece of equipment is used to find the potential difference in a circuit?

a)

Ammeter

b)

Voltmeter

c)

Ohmmeter

d)

Thermometer

96.

What type of circuit are these?

a)

Parallel

b)

Series

c)

Simple

d)

Broken

97.

What does this symbol mean?

(a)

98.

Which resistor has the biggest voltage across it?

a)

2 Ω

b)

3 Ω

c)

4 Ω

d)

all have the same

99.

The current flowing through the 2 ohms Resistor is 2 Amps, what is the current flowing through the 4 Ohms

(a)

100.

The current flowing through the 2 ohms Resistor is 2 Amps, what is the voltage of the 3 ohms Resistor?

(a)

101.

Calculate the current in ammeter A2

a)

24 amps

b)

6 amps

c)

0.16 amps

d)

12 amps

102.

A student creates this circuit. The current running through Lamp 1 is 2A and the voltmeter reading is 4V. Calculate the resistance of Lamp 1.

a)

2Ω

b)

2R

c)

2V

d)

4 Ohms

e)

5N

103.

Which of these 4 circuits can be used to measure how the current varies with a change in voltage across a bulb?

a)

b)

c)

d)

104.

The picture shows an electrical circuit. This circuit is a series circuit because:

a)

It has 3 light bulbs.

b)

The same current flows through all three light bulbs.

c)

It uses a single battery.

d)

The electrical current has more than one path to flow through

105.

In a Series circuit the more lightbulbs you add the brighter they get

a)

False

b)

True

106.

Which best describes a simple series circuit?

a)

Electricity flows along one pathway.

b)

The flow of electricity comes from the switch.

c)

Electricity flows along many pathways.

d)

The flow of electricity comes from the light bulb.

107.

The circuit shown contains a battery, a 6.0 Ω resistor and two meters X and Y.

One meter records current and one meter records potential difference.

a)

meter X : 2.0 A

meter Y : 12.0 V

b)

meter X : 2.0 V

meter Y : 1.0 A

c)

meter X : 12.0 A

meter Y : 2.0 V

d)

meter X : 12.0 V

meter Y : 2.0 A

108.

Which equation can be used to calculate the resistance R of a resistor?

a)

V = I / R

b)

I = V x R

c)

R = V x I

d)

V = I x R

109.

Which symbols are used for the units of current and of resistance?

a)

A

b)

B

c)

C

d)

D

110.

The resistance of a component in a circuit is found using an ammeter and a voltmeter.

How are the ammeter and the voltmeter connected?

a)

the voltmeter and ammeter in parallel with the component

b)

the voltmeter and ammeter in series with the component

c)

the voltmeter in parallel with the component and the ammeter in series with the component

d)

the voltmeter in series with the component and the ammeter in parallel with the component

111.

"This circuit has a two-cell battery, three buzzers connected in parallel, each with its own switch and variable resistor to control its sound level independently. A lamp is connected in series with the power supply and remains on as long as the circuit is powered, regardless of the state of the buzzers."

112.

Draw a circuit that has a 2 cell battery with a lamp and buzzer that can be changed to be louder and brighter at the same time and switches on and off at the same time.

113.

Draw a simple circuit with a cell, fixed resistor. Include an ammeter measuring current and a voltmeter measuring the potential difference of the fixed resistor.

114.

A series circuit contains a 15 V battery, 3 identical buzzers, and 3 identical resistors. Each resistor has a potential difference of 2 V. What is the potential difference across each buzzer?

a)

1V

b)

2V

c)

3V

d)

4V

e)

12V

115.

A lightbulb is rated at 9 V. Three of these bulbs are connected in a parallel circuit with a 9 V battery as the power source.
Will the lightbulbs operate normally?

a)

Yes

b)

No

116.

A car’s headlights are wired so that if one headlight stops working, the other one keeps working normally.
What type of circuit are the headlights connected in?

a)

Series

b)

Parallel

c)

Switched

d)

Loop-and-branch

117.

Which change would cause the current in a circuit to increase, assuming the resistance stays the same?

a)

Decrease the voltage

b)

Increase the resistance

c)

Increase the voltage

d)

Keep the voltage and resistance the same

118.

A student builds a series circuit with a battery and three identical resistors.
How does the current in the circuit behave?

a)

The current gets weaker after each resistor

b)

The current is strongest near the battery

c)

The current is the same at all points in the circuit

d)

The current only flows through the first resistor

119.

What is an ammeter used to measure?

a)

Power

b)

Resistance

c)

current

d)

Voltage

e)

amps

120.

To measure voltage across a lamp, where should the voltmeter be placed?

a)

In series with the lamp

b)

In parallel with the lamp

c)

Before the battery

d)

After the switch

121.

In which type of circuit must an ammeter be connected in series to function correctly?

a)

Parallel only

b)

Series only

c)

Both series and parallel circuits

d)

Neither

122.

A 6 V battery is connected to two identical bulbs in parallel.
What is the voltage across each bulb?

a)

3 V

b)

6 V

c)

12 V

d)

0 V

123.

A student connects two 1.5 V batteries in series with a lamp. Later, they add a third 1.5 V battery in series.
What happens to the total voltage across the lamp?

a)

It becomes 1.5 V

b)

It decreases

c)

It increases

d)

It becomes zero

124.

A student builds a series circuit with a battery and one lamp. They then add two more identical lamps in series.
What will happen to the current in the circuit?

a)

Current increases

b)

Current decreases

c)

Current stays the same

d)

Voltage becomes zero

125.

A student connects three identical lamps in a parallel circuit powered by a battery. They then take away a lamp and the pathway it was on.
What happens to the brightness of the left over two lamps?

a)

All lamps become dimmer

b)

All lamps go out

c)

Brightness stays the same

d)

Brightness increases

126.

Which change will increase current in a series circuit?

a)

removing a cell

b)

Using thinner wires

c)

decreasing resistance

d)

Adding a voltmeter

127.

Which formula correctly represents Ohm's Law?

a)

I = V / R

b)

I = V + R

c)

I = R / V

d)

I = V x R

128.

Ohm is the unit for:

a)

Power

b)

Current

c)

Capacitance

d)

Voltage

e)

resistance

129.

A technician adds more lamps to a circuit, and the total current measured from the battery increases.
What type of circuit must it be?

a)

Series

b)

Parallel

130.

If the resistance stays the same, what effect does increasing the voltage have on the current in a circuit?

a)

It increases the current in a series circuit only

b)

It increases the current in a parallel circuit only

c)

It increases the current in both series and parallel circuits

d)

It has no effect on current in any circuit

131.

Where would you place an ammeter in the circuit?

a)

Green ?

b)

Red ?

132.

Where would you place a voltmeter in the circuit?

a)

Green ?

b)

Red ?

133.

If the cell above has a potential difference of 8V, what is the potential difference across one bulb? Assume both bulbs are identical.

a)

8V

b)

4V

c)

16V

d)

2V

134.

If the cell in the circuit above has a potential difference of 8V, what is the potential difference across one of the bulbs? Assume both bulbs are identical.

a)

8V

b)

4V

c)

16V

d)

2V

135.

Look at figure 4. Ammeter A2 and A3 read the same value at 0.4Amps. What is the reading on Ammeter A1?

a)

0.4A

b)

0.2A

c)

0.8A

d)

0 A

136.

What is the relationship between the readings on Ammeters A1, A2 and A3

a)

A1 = A2 + A3

b)

A3 = A1 + A2

c)

A1 = A2 = A3

d)

A3 = A1-A2

137.

What is the relationship between the readings on Ammeters A1, A2 and A3?

a)

A1 = A2 = A3

b)

A1 = A2 - A3

c)

A3 = A1 + A2

d)

A3 = A1 - A2

138.

The reading on Voltmeter V2 is

a)

15V

b)

6V

c)

9V

d)

3V

139.

The reading on the voltmeter is

a)

3 V

b)

6 V

c)

12 V

d)

Can not answer as need to know the resistance of the bulb.

140.

The current in the resistor X is 2.0 A and the current in the 6.0 Ω resistor is 0.5 A. Calculate the resistance of resistor Y

a)

6.0 Ω

b)

2.0 Ω

c)

4.0 Ω

d)

3.0 Ω

141.

All the lamps in this circuit have the same resistance. What are the readings of voltmeters V_{1 and}V₂?

a)

V1 = 2.0V and V2 = 2.0V

b)

V1 = 4.0V and V2 = 2.0V

c)

V1 = 2.0V and V2 = 4.0V

142.

Match the following circuit symbols

a)

1.

voltmeter

b)

2.

resistor

c)

3.

lamp

d)

4.

cell

e)

5.

ammeter

143.

A series circuit has how many pathways for the electrons to flow?

a)

Zero

b)

One

c)

Two

d)

Many

144.

In parallel circuit, there are _________ pathways for electrons to flow.

a)

Zero

b)

One

c)

Two or more

145.

Based on the circuit diagram above, suggest one way to increase the brightness of the bulbs.

a)

Decrease the number of dry cells

b)

Decrease the number of the bulbs

c)

Increase the number of the bulbs

d)

Increase the number of the switch

146.

The voltage across across Lamp 1 and Lamp 2 is

a)

2V

b)

6V

c)

12V

d)

24V

147.

The circuit shown contains three ammeters X, Y and Z.

Which ammeter has the largest reading?

a)

X

b)

Y

c)

Z

d)

They all have the same reading.

148.

Look at the picture of the series circuit here. When one light bulb is removed from series circuit, will the second light bulb still light on?

a)

Yes

b)

No

c)

I am not sure

149.

In a parallel circuit, if one of the light bulbs burns out, the rest _________.

a)

stop the flow of electric current

b)

can still light up

c)

of the light bulbs burn out also

d)

of the bulbs become dim

150.

a)

Bulbs are in parallel - Circuit X is brighter than Circuit Y

b)

Bulbs are in parallel - Circuit Y is brighter than Circuit X

c)

Bulbs are in series - Circuit X is brighter than Circuit Y

d)

Bulbs are in series - Circuit Y is brighter than Circuit X

151.

This circuit does not work because…

a)

the bulbs are not connected properly

b)

two cells are not powerful enough

c)

there is a break in the circuit

d)

the cells are facing each other

152.

a)

Circuit X is brighter than circuit Y

b)

Circuit Y is brighter than circuit X

c)

Both circuits have the same brightness

d)

Neither circuit will light the bulbs

153.

The picture shows an electrical circuit. This circuit is a series circuit because:

a)

It has 3 light bulbs.

b)

The same current flows through all three light bulbs.

c)

It uses a single battery.

d)

The electrical current is divided between the three light bulbs.

154.

Which symbol is correctly match?

a)

A. I & II

b)

B. I & III

c)

C. II & III

d)

D. I, II, & III

155.

Which bulb will continues glow if P bulb burn?

a)

S & T

b)

Q, R, & T

c)

Q, R, & S

d)

Q, T, R, & S

156.

The same 3 dry cell is connected to the circuit. Among the following circuits, which one has the brightest bulb?

a)

b)

c)

d)

157.

What is the definition of electrical current?

a)

The opposition to the flow of electrons

b)

The rate of flow of charge

c)

The work done on each coulomb of charge

d)

Electrons moving around

158.

What does the resistance of a wire tell you?

a)

The speed of electron flow through it.

b)

How tough it is for electrons to flow through it.

c)

The amount of energy given to the electrons.

d)

The amount of energy taken away from the electrons.

159.

In the shown circuit , the total current IT= I1 +I2

a)

False

b)

True

160.

The Voltage in the shown circuit Vt=V1=V2=V3

a)

False

b)

True

161.

The Voltage in the shown circuit VT=V1=V2

a)

false

b)

true

162.

As you continue to add lightbulbs in series, what happens?

a)

The bulbs get brighter

b)

The bulbs get dimmer

c)

The bulbs remain the same brightness

d)

The bulbs explode and shards of glass get everywhere

163.

If one bulb goes out in a series circuit, the remaining bulbs...

a)

also go out

b)

get brighter

c)

get dimmer

d)

explode, leaving shards of glass everywhere

164.

Pick the correct sentence.

a)

This circuit will work because it is a closed circuit.

b)

Energy will freely flow in this circuit.

c)

This circuit will not work because there is no energy source.

d)

This circuit will not work because there is no switch.

165.

In the circuit shown, ammeter 2 reads 2.0 A. What does ammeter 1 read? Include the unit symbol A in your answer. Give your answer to 2 significant figures.

a)

2.0 A

b)

1.0 A

c)

3.0 A

d)

0.5 A

166.

In the circuit shown, ammeters 1 and 3 both read 1.5 A. What does ammeter 2 read? Include the unit symbol A in your answer. Give your answer to 2 significant figures.

a)

1.5 A

b)

0.75 A

c)

2.0 A

d)

1.0 A

167.

In the circuit shown, all three ammeters read 0.2 A. If lamp 2 breaks, what will the new reading on ammeter 2 be?

a)

0.0 A

b)

0.2 A

c)

0.4 A

168.

Positioning an ammeter at different places in a parallel circuit will give you different readings. True or false?

a)

True

b)

False

169.

In a parallel circuit, the current leaving the cell (shown on ammeter 1) is equal to the current entering the cell (shown on ammeter 2). If ammeter 1 reads 2.0 A, what does ammeter 2 read?

a)

2.0 A

b)

1.5 A

c)

3.0 A

d)

0.5 A

170.

The number of cells in a circuit affects the current. If you add a second cell in series with the first cell but pointing in the opposite direction, the current will . . .

a)

decrease to zero

b)

stay the same

c)

increase

171.

If you double the number of cells that are connected in the same direction and in series, the current will also double. If using one cell in this circuit gives an ammeter reading of 1.0 A, what will the reading be if you use two cells?

a)

2.0 A

b)

1.5 A

c)

0.5 A

d)

1.0 A

172.

The number of components in a circuit affects the current. If you double the number of lamps connected in series, the current will halve. If using one lamp in this circuit gives an ammeter reading of 1.0 A, what will the reading be if you use two lamps?

a)

0.5 A

b)

1.0 A

c)

2.0 A

d)

0.25 A

173.

Question Image

Order these circuits by the size of their current, from smallest to largest. Assume all of the lamps and cells are identical.

a)

A

1.

3

b)

B

2.

1

c)

C

3.

4

d)

D

4.

2

174.

What piece of equipment do you use to measure voltage?

a)

ohmmeter

b)

voltmeter

c)

ammeter

175.

How do you connect a voltmeter in a circuit to measure the voltage of a component?

a)

in series

b)

in parallel

176.

Which of these statements is true for a series circuit?

a)

The voltage across each component is the same as the voltage supplied.

b)

The total voltage supplied is shared between the components.

177.

The number of cells in a circuit affects the voltage. What happens to the voltage when a second cell is added in the same direction as the first cell?

a)

The voltage decreases.

b)

The voltage stays the same.

c)

The voltage increases.

178.

What is the reading on voltmeter 2?

a)

0 V

b)

0.5 V

c)

1.0 V

d)

2.0 V

179.

In a parallel circuit, the voltage supplied by the battery is equal to the voltage across each branch. What is the reading on voltmeter 2?

a)

3.0

b)

6.0

c)

1.5

d)

4.5

180.

In the circuit shown, voltmeter 1 reads 3.0 V. If lamp 2 breaks, what will be the new reading on voltmeter 1?

a)

3.0 V

b)

6.0 V

c)

0.0 V

181.

Which circuit shows a voltmeter correctly wired to measure the voltage across the lamp?

a)

A

b)

B

c)

C

182.

In a parallel circuit, there is more than one path for the electricity to take. Which two of these circuits are parallel circuits?

a)

A

b)

B

c)

C

d)

D

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