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Worksheets

Level 1 Midterm

Total questions: 90

Worksheet time: 46mins

Name
Class
Date
1.

The nucleus of an atom contains protons and?

a)

Electrons

b)

Neutrons

c)

Protons

d)

Both Protons and Neutrons

2.

Which of the materials is not a good conductor?

a)

Copper

b)

Silver

c)

Aluminum

d)

Rubber

3.
What does the 3rd band on a resistor represent?
a)
A number
b)
The Tolerance level
c)
The multiplier
d)
The electronic range
4.

Electricity is:

a)

Flowing electrons

b)

Still electrons

c)

voltage x wattage

d)

amps x watts

5.
Choose the true statement below concerning DC currents:
a)
DC stands for Direct Computing and electrons flow in multiple pathways
b)
DC stands for direct current and electrons flow in multiple directions
c)
DC stands for direct current and the electrons do not flow
d)
DC stands for direct current and the electrons flow in only one direction
6.
The symbol for voltage is: 
a)
Vo
b)
V
c)
W
d)
Amp
7.
Current is measured in:
a)
Ohms
b)
Voltage
c)
Amperes
d)
Watts
8.
A means of fusing together two metal objects to create an electrical connection is called:
a)
soldering
b)
wiring
c)
programming
d)
welding
9.
The correct way to hold this object is like a:
a)
a hammer
b)
a tennis racket
c)
a pencil
d)
a football
10.

what type of device is this?

a)

it is a transistor

b)

it is a diode

c)

it is an amplifier

d)

it is a power supply

11.

What is this?

a)

a capacitor

b)

a resistor

c)

a coil

d)

an amplifier

12.
Protons have a __________ charge.
a)
Negative
b)
Neutral
c)
Positive
d)
Slightly Negative
13.

Insulators will restrict what value?

a)

Watts

b)

Volts

c)

Ohms

d)

Amps

14.
Electricity is created through the __________ of electrons.
a)
Movement
b)
Restriction
c)
Merging
d)
Melting
15.
Plastic is an example of a good __________.
a)
Insulator
b)
Conductor
c)
Semiconductor
d)
Voltage source
16.
Name this electrical component
a)
Solderless Bread Board
b)
Fixed Resistor
c)
Potentiometer
d)
Diode
17.
Name this electrical component
a)
Electrolytic Capacitor
b)
Fixed Resistor
c)
Ceramic Disc Capacitor
d)
Diode
18.
Name this electrical component
a)
Ceramic Disc Capacitor
b)
Fixed Resistor
c)
Potentiometer
d)
Electrolytic Capacitor
19.
What is a material that allows for current to flow easily called?
a)
Conductor
b)
Capacitor
c)
Inductor
d)
Insulator
20.
What do we call a material that opposes or contains the flow of electrons.
a)
Conductor
b)
Capacitora
c)
Inductor
d)
Insulator
21.
What is Electromotive Force commonly called?
a)
Amperage
b)
Inductance
c)
Resistance
d)
Voltage
22.
Define electrical current.
a)
Flow of atoms
b)
Flow of electrons
c)
Flow of decepticons
d)
Flow from the diner
23.
Define Electrical Resistance
a)
Opposition to current flow
b)
Inflection of current flow
c)
Misdirection of current flow
d)
I really don't know
24.
What do we call protective safety equipment we wear?
a)
PPP
b)
PPE
c)
MICKEY
d)
Mouse
25.
What does DC stand for?
a)
Driven Current
b)
Direct Current
c)
Driven Capacitance
d)
Direct Capacitance
26.

Our 9 volt batteries have this type of current

a)

variable

b)

indirect

c)

alternating

d)

direct

27.

The red wire coming from the battery is the

a)

neutral wire

b)

positive wire

c)

negative wire

28.

An example of a good insulator is

a)

Copper

b)

Plastic

c)

Water

d)

aluminum

29.

What does this schematic symbol represent?

a)

Capacitor

b)

Lamp

c)

Resistor

d)

Battery

30.

What does this schematic symbol represent?

a)

Lamp

b)

Wire

c)

Switch

d)

Resistor

31.

Series circuit

a)

Components connected one after another(1 path of flow)

b)

Components connected side by side

c)

Components connected in a short circuit

d)

Components connected in perpendicular

32.

What should you always wear when soldering?

a)

safety goggles

b)

contact lenses

c)

leather gloves

d)

an apron

33.

What should you never do with the metal part of the soldering iron?

a)

touch it

b)

lick it

c)

place it on the counter

d)

All of the above

34.

This is an example of....

a)

good joints

b)

bad joints

35.

PCB stands for...

a)

Portable Circuit Board

b)

Printed Carbon Board

c)

Printed Circuit Build

d)

Printed Circuit Board

36.

This is a tool used for melting solder and applying it to metals that are to be joined

a)

Soldering Wrench

b)

Electrical Iron

c)

Soldering Iron

d)

Electrical Wrench

37.
What is an LED?
a)
a light
b)
a light emitting diode
c)
a part of a circuit
38.
A resistor with color bands: orange, orange, brown, gold is how many ohms?
a)
500
b)
330
c)
1000
d)
750
39.
A potentiometer is also known as a ___________________
a)
knob
b)
button
c)
variable resistor
40.

An output is something that happens when a circuit is in use. An example of an output is:

a)

Light flashing

b)

Buzzer sounding

c)

Thermal Element turning on

d)

All of the answers are correct

41.
A push button on a circuit is an ___________
a)
input
b)
output
c)
command
d)
variable
42.
Is a servo a type of motor for electronics?
a)
Yes
b)
No
43.
What does IDE stand for?
a)
In Deep Environment
b)
Integrated Development Environment
c)
Internal Deep Escape
d)
IDE
44.
Before your program “code” can be sent to the board, it needs to be converted into instructions that the board understands. This process is called...
a)
Stop
b)
Compile
c)
Create Sketch
d)
Serial Monitor
45.
A function is a series of programming statements that can be called by name. Which command is called once when the program starts:
a)
loop()
b)
setup()
c)
(output)
d)
(input)
46.

Hazards associated with specific chemicals are described in the

a)

Safety Data Sheets

b)

Hazard Communication Standard

c)

OSHA Pathogen Standard

d)

OPIM Guidelines

47.
The government agency that is responsible for enforcing safety regulations in the workplace is
a)
CDC
b)
OSHA
c)
DOT
d)
FAA
48.

Which is an example of PPE?

a)

Mask

b)

Gloves

c)

Hearing protection

d)

All choices are correct

49.

Safety is the responsibility of?

a)

Owner of the facility

b)

Employee

c)

Employer

d)

Everyone

50.

OSHA establishes general regulations, which are enforced by OSHA. These are known as:

a)

OSHA rules

b)

OSHA regulations

c)

OSHA standards

d)

OSHA guidelines

51.

OSHA is a federal administration responsible for ensuring safe and healthy work environments at businesses and worksites throughout the U.S. OSHA stands for:

a)

Organization for Healthy and Safe Workplace Authority

b)

Occupational Safety and Health Administration

c)

Occupational Security and Health Administration

d)

Order for Safe and Healthy Activities

52.

OSHA was enacted in:

a)

1950

b)

1970

c)

1980

d)

1990

53.

Which of the following is FALSE about OSHA?

a)

It is the only agency that can regulate workplace health and safety.

b)

It mandates safety training.

c)

It has the power to require employers to correct a serious workplace hazard.

d)

It has the power to create and implement standards relating to workplace health and safety that employers must follow.

54.

A Safety Data Sheet (SDS) gives information about:

a)

Hazardous chemicals.

b)

Injuries in the workplace.

c)

Medical evaluations.

d)

OSHA 300 logs.

55.
Check extension cords at the beginning of each work week for damage.
a)
True
b)
False
56.
To be acceptable, most PPE must meet the standards set by:
a)
OSHA
b)
A.S.T.M
c)
A.N.S.I.
d)
A.S.M.E.
57.
Which is not part of the fire triangle?
a)
Fuel
b)
Heat
c)
Oxygen
d)
Water
58.

A Lockout Device is a device that positively prevents a machine from being:

a)

Started up

b)

Becoming electrically energized

c)

Turned on

d)

All of the above

59.

Whose responsibility is it to maintain safe work environment?

a)

Employer

b)

Employee

c)

Both parties

60.

Eye protection is required for which of the following hazards?

a)

Flying particles

b)

Molten metal

c)

Liquid chemicals, acids or caustic liquids

d)

All of the above

61.

Identify the electronic symbol.

a)

capacitor

b)

electrolytic capacitor

c)

battery

d)

resistor

62.

Identify the electronic symbol.

a)

Diode

b)

Photodiode

c)

Reflective diode

d)

Light Emitting Diode

63.

Identify the electronic symbol.

a)

NPN transistor

b)

Transistor

c)

PNP transistor

d)

Bipolar transistor

64.

Identify the electronic component.

a)

Photodiode

b)

Phototransistor

c)

Photoresistor

d)

Photocapacitor

65.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
66.
this is the symbol for a _____?
a)
switch
b)
light 
c)
battery
d)
wires
67.

What is the following symbol represent?

a)

Wire

b)

Resistor

c)

Battery

d)

Switch

68.
a)
b)
c)
d)
69.

What does this symbol show

a)

Battery

b)

Power Supply

c)

Connected Wires

d)

Wires that Cross but don't connect

70.

What does this symbol show

a)

Battery

b)

Power Supply

c)

Connected Wires

d)

Wires that Cross but don't connect

71.

What symbol is this?

a)

Lamp

b)

LED

c)

Diode

d)

Photoresistor

72.

What symbol is this?

a)

Thermistor

b)

Fixed Resistor

c)

Potentiometer

d)

Transistor

73.

What does the following command do while in the LOOP function?

Serial.println("Hello");

delay(1000);

a)

Prints Hello continuously on the same line

b)

Prints Hello on a new line continuously

c)

Prints Hello on a new line every time the reset button is hit

d)

Prints Hello on a new line continuously every 1 second

74.

What is the char datatype used for?

a)

stores a collection of characters

b)

stores a single character

c)

stores both + & - integers up to 32,000

75.

Purified water is what type of material.

a)

Insulator

b)

Conductor

76.

What is the term for electrons that can flow from one atom to another?

a)

Sneaky Electrons

b)

Creeping Electrons

c)

Valence Electrons

77.

What is the name of the outermost layer of electrons?

a)

Valence circle

b)

Valence shell

c)

Outside Shell

78.

An atom with a full outermost layer is a good _________.

a)

Insulator

b)

Conductor

c)

Metal

79.

What is the unit of measurement for resistance?

a)

Voltage

b)

Ampere

c)

Watts

d)

Ohms

80.

A resistor's first three color bands are brown, black, and red. What is its value?

a)

10 ohms

b)

10K ohms

c)

200 ohms

d)

1000 ohms

81.

A 47K ohm resistor would have which colors on its first three bands?

a)

Yellow, Violet, White

b)

Yellow, Violet, Orange

c)

Red, White, Blue

d)

Orange, Yellow, Violet

82.

Which digit on the 1st band does the color yellow denote on a resistor color band?

a)

3

b)

2

c)

4

d)

7

83.

Which digit does the color orange denote on a resistor color band?

a)

2

b)

4

c)

3

d)

5

84.

The gold color band refers to__________tolerance.

a)

+ / - 20%

b)

+ / - 10%

c)

+ / - 5%

d)

zero

85.

What are the color codes for a 470K ohm resistor?

a)

Orange, Grey, Orange

b)

Yellow, Violet, Yellow

c)

Yellow, Violet, Orange

d)

Orange, Grey, Yellow

86.

What is the tolerance for a Red, Brown, Brown, Silver resistor?

a)

1%

b)

20%

c)

5%

d)

10%

87.

What is the color code for a Orange, Black, Red resistor?

a)

3K Ohms

b)

200 Ohms

c)

2K Ohms

d)

300 Ohms

88.
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
89.
Current times Resistance equals
 (I X R)
a)
Power
b)
Voltage
c)
Amperage
d)
Ohm
90.

Voltage divided by Resistance equals

(V / R)

a)

Current

b)

Power

c)

Ohms

d)

Watts

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