wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Mech - Circuits Recap

Total questions: 70

Worksheet time: 6hrs 50mins

Name
Class
Date
1.

What type of circuit is shown in the picture?

a)

Series Circuit

b)

Broken Circuit

c)

Parallel Circuit

d)

Open Circuit

2.

What is a circuit that only has ONE path for electricity to flow?

a)

series circuit

b)

closed circuit

c)

parallel circuit

d)

light bulb

3.
What is it called when a circuit is complete?
a)
Closed circuit
b)
Light bulb circuit
c)
Open circuit
d)
Series circuit
4.

What is an electrical circuit with at least one break in the loop?

a)

open circuit

b)

closed circuit

5.

What is current?

a)

a circuit that contains two or more branches

b)

a path containing mobile charges

c)

the flow of electrical charge

6.
What type of current comes from the outlets in your home?
a)
direct current
b)
alternating current
c)
electric discharge 
d)
static electricity 
7.

What is the function of a resistor?

a)

Stop current flow

b)

Limit current flow

c)

Limit voltage

d)

To light up

8.
Resistance is...
a)
What "slows down" electrons
b)
What "speeds up" electrons
c)
Moving electrons
d)
What "pushes" electrons
9.
The picture shows an electrical circuit. This circuit is a series circuit because: 
a)

The same voltage flows through all three 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
10.
What is one problem with using a series circuit? 
a)
It has a lot of series. 
b)
If one light goes down, they all go down! 
c)
It doesn't work properly.
d)
There are no problems. 
11.
The flow/movement of electric charges 
a)
Voltage
b)
Resistance 
c)
Current 
d)
Circuit 
12.

What can open and close a circuit?

a)

Switch

b)

Door

c)

Elevator

d)

Insulator

13.

AC in the circuit world stands for

a)

Alternating current

b)

Air conditioning

c)

Apples & Cookies

d)

Adverse Conductors

14.

DC in the electronics world stands for....

a)

Diode Current

b)

A Band Name

c)

Direct current

d)

Direct conventional supply

15.

Select ALL of the manually operated switches used in a circuit.

a)

Push Button Switch

b)

Selector Switch

c)

Knife Switch

d)

Sword Switch

16.

The output of a motor is......

a)

rotary motion (example: fan)

b)

Linear motion (ex: plunger)

c)

Buzzing

d)

Light

17.

The output of a lamp is......

a)

rotary motion (example: fan)

b)

Linear motion (ex: plunger)

c)

Buzzing

d)

Light

18.

The output of a buzzer is......

a)

rotary motion (example: fan)

b)

Linear motion (ex: plunger)

c)

Buzzing

d)

Light

19.

The output of a solenoid is......

a)

rotary motion (example: fan)

b)

Linear motion (ex: plunger)

c)

Buzzing

d)

Light

20.

True or False? Schematic diagrams represents components with symbols and they show how the circuit components are connected. They are also helpful when troubleshooting a circuit.

a)

True

b)

False

21.

N.O stands for

a)

Normally Open

b)

Normally Closed

c)

Normally original

d)

Normally opposite

22.

N.C stands for

a)

Normally Open

b)

Normally Closed

c)

Normally current

d)

Normally conventional

23.

Direct Current (DC)....

a)

flows in only one direction

b)

flows in one direction and then the other

c)

flows from houses

d)

is a measuring tool

24.

Alternating Current (AC)....Select ALL that apply

a)

flows in only one direction

b)

flows in one direction and then the other

c)

are used in household outlets

d)

is a measuring tool

25.

The measure of opposition to current flow is....

a)

voltage

b)

resistance

c)

current

d)

energy

26.

Pressure from the power source that pushes current through the circuit is called....

a)

voltage

b)

resistance

c)

current

d)

energy

27.

The output device shown here is called a...

a)

Buzzer

b)

Motor

c)

Solenoid

d)

Lamp

28.

The output device shown here is called a...

a)

Buzzer

b)

Motor

c)

Solenoid

d)

Lamp

29.

The output device shown here is called a...

a)

Buzzer

b)

Motor

c)

Solenoid

d)

Resistor

30.

This switch is called a....

a)

Selector Switch

b)

Push Button Switch

c)

Knife Switch

d)

Motor switch

31.

This switch is called a....

a)

Selector Switch

b)

Push Button Switch

c)

Knife Switch

d)

Motor switch

32.

This switch is called a....

a)

Selector Switch

b)

Push Button Switch

c)

Knife Switch

d)

Motor switch

33.
The total resistance in this circuit is 
a)
100 ohms
b)
450 ohms
c)
400 ohms
d)
30 ohms
34.
The total current through this circuit is
a)
0.02 amps
b)
0.09 amps
c)
50 amps
d)
9 amps
35.
The voltage dropped across the 300 ohm resistor is 
a)
6 V
b)
9 V
c)
2 V
d)
30 V
36.

What is the total resistance across this circuit?

a)

18 Ω

b)
10 kΩ
c)
13 kΩ
d)

18 kΩ

37.
As resistors are added in series to a circuit, the total resistance will...
a)
increase
b)
decrease
c)
stay the same
38.
As the resistance of a circuit increases, the current will...
a)
increase
b)
decrease
c)
stay the same
39.
In a parallel circuit which of the following is the same value throughout the circuit?
a)
Voltage
b)
Current
c)
Resistance
d)
Charge
40.
The current going through the 45 ohm resistor is 
a)
0.05 amps
b)
0.2 amps
c)
0.1 amps
d)
5 amps
41.
The total resistance of this circuit is 
a)
25.7 ohms
b)
315 ohms
c)

0.039 ohms

d)
90 ohms
42.
The total current going through the battery of this circuit is
a)
0.35 amps
b)
0.0286 amps
c)
0 amps
d)
9 amps
43.
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.
44.
What will happen if one light bulb is removed from this circuit?
a)
The other bulbs will go out.
b)
The other bulbs will stay on
c)
The other bulbs will get dimmer.
d)
The battery will become stronger.
45.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
46.

What does the electronic schematic symbol shown represent?

a)

switch

b)

light

c)

battery

d)

wires

47.

What does the electronic schematic symbol shown represent?

a)

light bulb

b)

cell

c)

battery

d)

resistor

48.

What does the electronic schematic symbol shown represent?

a)

Wire

b)

Battery

c)

Buzzer

d)

Fuse

49.

What does the electronic schematic symbol shown represent?

a)

an AC current source

b)

a DC current source

c)

an ammeter

d)

a voltmeter

50.

What does the electronic schematic symbol shown represent?

a)

an AC current source

b)

a DC current source

c)

an ammeter

d)

a voltmeter

51.

A circuit which has 2 volts and 3 amps running through it. What is the power?

a)

0.67 watts

b)

6 watts

c)

1.5 watts

d)

2 watts

52.

What does the electronic schematic symbol shown represent?

a)

Wire

b)

Resistor

c)

Battery

d)

Switch

53.

What is the total resistance in the circuit?

a)

10 ohms

b)

1 ohm

c)

4 ohms

d)

2.4 ohms

54.

What is the total current through the battery?

a)

0.75 A

b)

1.5 A

c)

3 A

d)

0.33 A

55.

What is the current through the 2 ohm resistor?

a)

0.75 A

b)

1.5 A

c)

3 A

d)

0.33 A

56.

What is the current through the 4 ohm resistor?

a)

1.5 A

b)

3 A

c)

2 A

d)

0.75 A

57.

What is the voltage drop over the 4 ohm resistor?

a)

6 V

b)

3 V

c)

2 V

d)

1 V

58.

What is the voltage drop over the 2 ohm resistor?

a)

6 V

b)

3 V

c)

2 V

d)

1 V

59.

A 50 watt circuit has 10 amps running through it. What is the voltage?

a)

500 volts

b)

5 volts

c)

0.2 volts

d)

1 volt

60.

Solve for total circuit resistance

a)

140 Ohms

b)

75 Ohms

c)

90 Ohms

d)

65 ohms

61.

Solve for total current that is flowing through the circuit shown

a)

2 A

b)

154 mA

c)

154 A

d)

77 mA

62.

Solve for the current that is flowing through Resistor one

a)

2 A

b)

154 mA

c)

154 A

d)

77 mA

63.

Solve for the voltage drop at resistor one

a)

10 V

b)

8 V

c)

3.08 V

d)

3.85 V

64.

Solve for the current that is flowing through resistor three

a)

2 A

b)

154 mA

c)

154 A

d)

77 mA

65.

In a Series Circuit the Current...

a)

is the same at every point

b)

is shared between the energy users

66.

In a Parallel circuit the current is

a)

the same at every point

b)

split between the branches

67.

For the circuit shown, the resistances are R1 > R2 > R3. What is true about the current through each resistor?

a)

I1 = I2 = I3

b)

I1 > I2 > I3

c)

I1 > I3 > I2

d)

I1 < I3 < I2

68.

Suppose that a 1.5 V1.5\ V  power supply is used in a circuit with a lone 25 Ω25\ \Omega resistor. What would be the magnitude of the electrical power dissipated by the resistor in this circuit?

a)

0.09 W0.09\ W  

b)

16.67 W16.67\ W  

c)

37.50 W37.50\ W

d)

56.25 W56.25\ W  

69.

What is the total resistance of the circuit?

a)

38.6 ohms

b)

80 ohms

c)

62.4 ohms

d)

19.1 ohms

70.

What is the voltage drop at resistor A?

a)

6.5 volts

b)

10 volts

c)

3.3 volts

d)

8.2 volts

Similar Resources on Wayground

Sports Entertainment - Objective 3.0

67 questions

Sports Entertainment - Objective 3.0

quiz

Worksheet

•

10th - 12th Grade

Komputer Akutansi Kelas XI

70 questions

Komputer Akutansi Kelas XI

quiz

Worksheet

•

11th Grade

Week 1-4 Distance learning Aquatics

75 questions

Week 1-4 Distance learning Aquatics

quiz

Worksheet

•

12th Grade

Patriarchs

70 questions

Patriarchs

quiz

Worksheet

•

9th - 12th Grade

IED Unit 1 Review 2025

66 questions

IED Unit 1 Review 2025

quiz

Worksheet

•

9th - 12th Grade

AP Psych Unit 1 History & Approaches (1)

67 questions

AP Psych Unit 1 History & Approaches (1)

quiz

Worksheet

•

11th - 12th Grade

Equipment Safety - Woodshop

73 questions

Equipment Safety - Woodshop

quiz

Worksheet

•

9th - 12th Grade

First Quarter Examination in UCSP reviewer

65 questions

First Quarter Examination in UCSP reviewer

quiz

Worksheet

•

11th Grade