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2024 Mays Electrical Circuits Final Exam

Total questions: 70

Worksheet time: 1hrs 19mins

Name
Class
Date
1.

An electrical circuit that can be traced in a continuous path from the source of the electrical energy, around the circuit, and back to the energy source.

a)

fuse

b)

open circuit

c)

closed circuit

d)

circuit breaker

2.

Which schematic circuit matches this circuit picture?

a)
b)
c)
3.

What is the SI unit for the electric resistance?

a)

Joule

b)

Ampere

c)

Volts

d)

Ohms

4.

Which schematic diagram shows ,

3 bulbs connected in 1 path, controlled by 1 switch and uses a battery as a source of energy.

a)
b)
c)
5.
a)

voltage

b)

Voltmeter

c)

Volume

6.

Material that transmits heat or electricity, allowing it to flow.

a)

conductors

b)

insulators

c)

current

d)

voltage

7.

What components are in this schematic diagram?

a)

battery, switch, bulb, wire

b)

switch, switch, bulb

c)

battery, switch, bulb, motor

8.

What is the formula for ohms law?

a)

1+2=3

b)

R X E = I

c)

V =I x R

d)

E= MC squared

9.

Which of the following schematic diagrams represents this circuit?

a)
b)
c)
d)
10.

Select the symbol for SWITCH

a)
b)
c)
d)
11.
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
12.

Select the symbol for WIRE

a)
b)
c)
d)
13.

Which schematic circuit matches this circuit picture?

a)
b)
c)
14.

An electrical circuit is powered by a 1.5-volt battery and contains a light bulb producing 5 Ohms of resistance. There is also another 5 Ohm resistor in the circuit. How many amps of current are in this circuit? HINT: V = IR

a)

0.15 amps

b)

15.0 amps

c)

6.67 amps

d)

1.50 amps

15.

Which circuit has two or more paths?

a)

Simple Circuit

b)

Series Circuit

c)

Parallel Circuit

16.

This circuit is .....?

a)

open

b)

parallel

c)

closed

17.

What diagram shows the actual number of components and wiring connection that is represented by a standard electrical symbol?

a)

Schematic Diagram

b)

Electrical Plan

c)

Pictorial Diagram

18.
a)

Ammeter

b)

Ampere

c)

And

19.

When the electricity can't flow through.

a)

closed circuit

b)

open circuit

c)

fuse

d)

circuit breaker

20.

The force of electricity that flows through a circuit. It is measured in volts and is a property of electricity.

a)

current

b)

parallel circuit

c)

series circuit

d)

voltage

21.

The flow of electrons through a circuit. It is measured in amps.

a)

current

b)

parallel circuit

c)

series circuit

d)

voltage

22.
Which of the following can work as an energy source?
a)
Battery
b)
Light bulb
c)
Wire
d)
All of them
23.

Anything that slows down the flow of electric charges. It is measured in ohms.

a)

short circuit

b)

conductors

c)

resistance

d)

current

24.

1 volt = ________mega volts

a)

10

b)

1000

c)

1000000

d)

10000

25.
What is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
26.

Materials that do not allow heat or electricity to flow easily.

a)

current

b)

resistance

c)

insulators

d)

conductors

27.
a)

zig zag

b)

Resistor

c)

Ammeter

28.

Look at the schematic diagram. Which symbol represents two batteries?

a)
b)
c)
d)
29.

_______________________ are good conductors of electricity.

a)

Glass and rubber

b)

Paper and rubber

c)

Glass, plastic, and wood

d)

Most metals

30.

The circuit on the right is complete (the light is on) because:

a)

the switch is closed

b)

the switch is open

c)

the battery is hot

d)

the battery is red

31.

Which of the symbols represents current in an electrical circuit?

a)

i

b)

c

c)

e

d)

r

32.

An electrical circuit is powered by a battery and contains a light bulb producing 1.5 Ohms of resistance. The circuit is flowing at 4 amps of current. What is the voltage of the battery?

HINT: V = IR

a)

6.0 volts

b)

1.5 volts

c)

9.0 volts

d)

12.0 volts

33.

What is a circuit with several paths for electricity to flow?

a)

conductor

b)

series circuit

c)

parallel circuit

d)

open circuit

34.

Select the symbol for BATTERY

a)
b)
c)
d)
35.

A ______________________ allows you to control whether the circuit is open or closed.

a)

bulb and filament

b)

parallel circuit

c)

switch

d)

short circuit

36.

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

37.

2000 ohms = 2 kilo ohms

a)

TRUE

b)

FALSE

c)

I don't know

38.
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.
39.

How many light bulbs would be ON if the wire of this circuit was cut where the scissors are?

a)

1

b)

3

c)

2

d)

0

40.
Electricity that flows in a closed path is called a
a)
path
b)
current
c)
circuit
d)
light
41.
What size resistor would produce a 3 Amp current flow with a 12 Volt battery
a)
1 Ohm
b)
3 Ohms
c)
4 Ohms
d)
12 Ohms
42.

0.5 kilo volts = 500 volts

a)

TRUE

b)

FALSE

c)

I don't know

43.

What kind of Diagram is shown in the image?

a)

Electrical Plan

b)

Schematic Diagram

c)

Pictorial Diagram

44.

A series of steps that engineers follow to come up with a solution to a problem. Many times the solution involves designing a product (like a machine or computer code) that meets certain criteria and/or accomplishes a certain task.

a)

Engineering design process

b)

Brainstorming process

c)

Design and Ideas process

d)

Engineering and Building process

45.

What kind of circuit is shown in the picture?

a)

Series Circuit

b)

Parallel Circuit

c)

Simple Circuit

46.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
47.
What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?
a)
25 V
b)
10 V
c)
2.5 V
d)
0.4 V
48.

What type of circuit is shown in the picture?

a)

Series Circuit

b)

Broken Circuit

c)

Parallel Circuit

d)

Open Circuit

49.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
50.
The mathematical relationship among Voltage, Current, and Resistance
a)
Faraday's Law
b)
Tesla's Law
c)
Edison's Law
d)
Ohm's Law
51.
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.
52.
Current times Resistance equals
 (I X R)
a)
Power
b)
Voltage
c)
Amperage
d)
Ohm
53.
This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?
a)
3 Amps
b)
192 Amps
c)
2 Amps
d)
4 Amps
54.

What unit is used to measure the voltage?

a)

Ohms

b)

Omega

c)

Volts

d)

Amps

55.

2 micro amps = ________amps

a)

0.002

b)

0.0002

c)

0.000002

d)

20000

56.

What circuit element is this?

a)

Diode (Non light emitting)

b)

Lamp

c)

LED

d)

Switch

57.

50 milli amps = 0.05 amps

a)

TRUE

b)

FALSE

c)

I don't know

58.

An electrical circuit is powered by a 12-volt battery and contains a light bulb. The current flowing in the circuit is 20 amps. What is the resistance of the light bulb? HINT: V = IR

a)

0.6 Ohms

b)

240 Ohms

c)

1.67 Ohms

d)

12 Ohms

59.

Circuit "A" is broken, because:

a)

the switch is open

b)

the switch is closed

c)

the switch is black

d)

the switch is not there

60.

An electric current that continually reverses direction over time is known as a(n)

a)

fluctuating current

b)

direct current

c)

alternating current

d)

simple current

61.

An electric current flowing in one direction only

a)

fluctuating current

b)

direct current

c)

alternating current

d)

simple current

62.

Resumes are like

a)

advertisments

b)

obituaries

c)

addresses

d)

orations

63.

Which of the follow should you NOT include on a resume that you posted somewhere online?

a)

Your Full Legal Name

b)

Your phone number.

c)

Your professional email address

64.

For new professionals that don't have established careers, what order should your work experience go?

a)

The jobs that are going to give you the best recommendation first and the worst last.

b)

Most relevant experience first.

c)

Reverse chronological

d)

It doesn't really matter as long as you have some.

65.

A form in which your supply information about yourself that will help an employee make a hiring decision.

a)

References

b)

Summary

c)

Clock In Sheet

d)

Job Application

66.
_____________ is a two-way conversation in which the interviewer learns about you and you learn about the job.
a)
Interview
b)
Resume
c)
Cover Letter
d)
References
67.

A brief summary; a short written account of one’s education, working experience, or qualifications for a job.

a)

Job Application

b)

Resume

c)

Job

d)

Job Reference

68.

Which is more imporant on a resume?

a)

Duites

b)

Achievements

69.

You need to go to college to have a STEM career.

a)

true

b)

false

70.
What goes in the education section of your resume?
a)
Awards
b)
Experience
c)
Name of School
d)
Organizations