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Series & Parallel Circuits

Total questions: 26

Worksheet time: 16mins

Name
Class
Date
1.

Select all that are TRUE

a)

An open circuit won't work

b)

An open circuit will work

c)

A closed circuit won't work

d)

A closed circuit will work

2.

What is the missing value on the ammeter?

(a)  

3.

What type of circuit is this? Select all that are true.

a)

Series

b)

Parallel

c)

Open circuit

d)

Closed circuit

4.
If the current through the battery was 10A in this diagram. What would the current through each bulb be?
a)
10A
b)
5A
c)
20A
d)
0A
5.
What will happen if one light bulb is removed from this circuit?
a)
The other bulbs will go out.
b)
The other bulbs will get brighter.
c)
The other bulbs will get dimmer.
d)
The battery will become stronger.
6.

Identify the part of a circuit that is labeled 2.

a)

battery

b)

wire

c)

switch

d)

bulb

7.
a)
Series circuit - Bulbs are lit
b)
Series circuit - Bulbs are off
c)
Parallel circuit - Bulbs are lit
d)
Parallel circuit - Bulbs are off
8.

How many light bulbs will work?

a)

0

b)

1

c)

2

9.
What is the unit of power?
a)
Amps
b)
Watts
c)
Volts
d)
Joules
10.

If an extra battery is added, what happens to the light bulbs?

a)

They get dimmer

b)

They get brighter

c)

They stay the same

d)

They break

11.

If electrons are BLUE and protons are RED, what is the overall charge here?

a)

Positive

b)

Neutral

c)

Negative

12.
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.
13.

How many light bulbs will work?

a)

0

b)

1

c)

2

14.

Identify the part of a circuit that is labeled 3.

a)

battery

b)

wire

c)

switch

d)

bulb

15.

What type of circuit is this. Select all that are true.

a)

Series

b)

Parallel

c)

Open circuit

d)

Closed circuit

16.
The circuit  lights the light bulb. What is the purpose of the switch in the circuit?
a)
to push the electric current
b)
to open and close the circuit
c)
to insulate the circuit
d)
to make the electricity
17.

Identify the part of the circuit that is labeled 1.

a)

battery

b)

wire

c)

switch

d)

bulb

18.

Read carefully each statement, and choose the best option to complete the question.


An electric circuit in which the components are conneted so that the current passes through are after the other.

a)

circuits

b)

resistance

c)

parallel

d)

series

19.

In series circuit, there is only _____ path for electrons to flow.

a)

One

b)

Two

c)

Three

d)

Four

20.
A student wants to use the diagram below to explain what happens when the light bulb turns on. How could she best explain what is happening?
a)
Light energy is transformed to electric energy.
b)
Electric energy is transformed to light energy.
c)
Electric energy is transformed to motion energy.
d)
Motion energy is transformed to electric energy.
21.
What is the unit of voltage?
a)
Amps
b)
Watts
c)
Volts
d)
Joules
22.

What is voltage?

a)

the amount of push the electrical source supplies to the circuit

b)

how much a given device resists the flow of electric current

c)

flow of electric charge

d)

none of the above

23.
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.
24.

A series circuit has ____ path(s) that the electric current can take.

a)

One

b)

Two

c)

Three

d)

Four

25.

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

a)

One

b)

Two or more

c)

None

d)

Zero

26.

What charge do neutrons have?

a)

Positive (+)

b)

Neutral

c)

Negative (-)