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Intro Engineering 3rd Qrt Test

Total questions: 71

Worksheet time: 56mins

Name
Class
Date
1.

This is an example of a _______ circuit

a)

open

b)

series

c)

parallel

d)

square

2.

This is an example of a ______ circuit

a)

Series

b)

Parallel

c)

Open

d)

Dihexihedral

3.

What kind of circuit is this?

a)

Series

b)

Consecutive

c)

Parallel

d)

Training

4.

What kind of circuit is this?

a)

Series

b)

Consecutive

c)

Parallel

d)

Training

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 stay on

c)

The other bulbs will get dimmer.

d)

The battery will become stronger.

6.

The current has only has one loop to flow through in this circuit. 

a)

Series Circuit 

b)

Parallel Circuit 

7.

Does this diagram represent a series or parallel circuit?

a)

series circuit

b)

parallel circuit

8.

This circuit does not work because…

a)

the bulbs are not connected properly

b)

the single cell is not powerful enough

c)

there is a break in the circuit

d)

there is a short crcuit

9.

what is this symbol for?

a)

light bulb

b)

switch

c)

battery

d)

resistor

10.

The total resistance in this circuit is 

a)

100 ohms

b)

450 ohms

c)

400 ohms

d)

30 ohms

11.

What component does the picture above represent?

a)

Battery

b)

Light bulb

c)

Ammeter

d)

Resistor

12.

Which component is used to control the flow of current in a circuit?

a)

Resistor

b)

Light bulb

c)

Switch

d)

Battery

13.

Which side of an LED is the positive?

a)

the short end

b)

The long end

c)

There's no difference

d)

Both are positive.

14.

What kind of circuit is this?

a)

A series circuit

b)

A parallel circuit.

15.

When soldering what should you do first?

a)

Heat the wire you're planning to solder

b)

Melt the solder onto the iron

c)

Coil your wires or probes around eachother at the point to be soldered

d)

Pre-heat the solder so it's melts easier.

16.

Why do we use breadboards in pro-circuits?

a)

It makes it safer

b)

So you don't have to solder as much

c)

It makes for the most secure connection

d)

All proto-cicuits require breadboards

17.

Your circuit doesn't work. Your LED is tested and works. Your battery is tested and works. What's the problem most likley?

a)

The LED is burnt out

b)

The power supply isn't working

c)

The wires aren't connected right.

d)

The breadboard is broken.

18.

Why should you have a way to turn off an circuit you've installed?

a)

To stop the components from burning out

b)

So that it works better

c)

It's not really needed.

d)

You'll get better grades.

19.

Arduino is a platform based on:

a)

Open Hardware and Proprietary Software

b)

Open Software and Proprietary Hardware

c)

Proprietary Hardware and Software

d)

Open Hardware and Software

20.

What is highlighted?

a)

Energy regulator

b)

Voltage regulator

c)

Battery

d)

Microcontroller

21.

What is highlighted?

a)

Connector for external power supply

b)

USB connector

c)

Power button

22.

What is highlighted?

a)

Reset button

b)

Voltage regulator

c)

Communication RED button

23.

What is highlighted?

a)

Connector for external power supply

b)

USB connector

c)

Power button

24.

Identify this component

a)

Arduino Uno board

b)

Raspberry Pi

c)

Breadboard / Protoboard

d)

White Plastic Board

25.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
26.

This device is called a:

a)

Servo

b)

DC motor

c)

Stepper Motor

d)

Cooling fan

27.
The (+) column on your breadboard represents the positive charge or power to your circuit.
a)
True
b)
False
28.

Which is the symbol for a potentiometer?

a)
b)
c)
d)
29.

What component is this a symbol for?

a)

a battery

b)

a switch or button

c)

an LEd

d)

a potentiometer

30.

Which is the symbol for LED?

a)
b)
c)
d)
31.

What do you call the long wire on the LED?

a)

Cathode

b)

Anode

c)

Resistor

d)

RGB

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.

Why should you never touch the soldering iron?

a)

It has germs on it

b)

you can't tell if it is hot or cold

c)

you will get shocked

35.

How do you test if your soldering iron is hot?

a)

try tinning it

b)

touch it

c)

See if it burns the circuit board

36.

What does soldering do?

a)

joins metal for electrical connections

b)

Melts metal to turn to liquid

c)

tracks the sun

37.

Before we can begin soldering, what do we need to wait for

a)

the iron to get hot

b)

to collect iron

c)

to mount our iron

d)

to fill our solder

38.

What is this?

a)

soldering iron

b)

solder

c)

chip wick

d)

flux

39.

What is this?

a)

soldering iron

b)

solder

c)

chip wick

d)

flux

40.

What do you remove from the board last when soldering?

a)

Soldering iron

b)

solder

c)

wick

d)

the board

41.

Which joint is a good one?

a)

The one on the left

b)

The one on the right

c)

Neither

d)

Both

42.

What unit is used to measure current?

a)

Ohms

b)

Omega

c)

Volts

d)

Amps

43.

What unit is used to measure resistance?

a)

Ohms

b)

Omega

c)

Volts

d)

Amps

44.

What is the current in a circuit with 6 ohms of resistance and a battery containing 24 Volts?

a)

1/4 A

b)

144 A

c)

4 A

d)

0.4 A

45.

What is the resistance of a lightbulb that experiences 9 Volts and 3 amps of current?

a)

1/3 ohms

b)

3 ohms

c)

27 ohms

d)

9 ohms

46.

What is the voltage of a circuit with 4 ohms of resistance and 3 amps of current?

a)

12 V

b)

21 V

c)

4/3 V

d)

3/4 V

47.
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
48.
What is Resistance?
a)
The flow of electrons
b)
Electric potential difference
c)
A battery
d)
The ability to reduce the flow of electrons
49.
Electricity that flows in a closed path is called a
a)
path
b)
current
c)
circuit
d)
light
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.

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

52.
What resistance is needed to cause a 50A current flow because of a 500V battery?
a)
10Ώ
b)
5Ώ
c)
2500Ώ
d)
550Ώ
53.
The mathematical relationship among Voltage, Current, and Resistance
a)
Faraday's Law
b)
Tesla's Law
c)
Edison's Law
d)
Ohm's Law
54.
To complete a circuit the switch must be
a)
unattached
b)
open
c)
closed
d)
It depends
55.
The flow of electricity requires a
a)
complete path
b)
incomplete path
c)
insulated current
d)
complex circuit
56.

There is such a thing as a safe electrical shock.

a)

True

b)

False

57.

It is safe to brush off a mild electrical shock.

a)

True

b)

False

58.

Only licensed electrical contractors should perform electrical work.

a)

True

b)

False

59.

Seeking medical attention is unnecessary after receiving an electrical shock.

a)

True

b)

False

60.

What does Ohm's Law relate to in the context of electricity?

a)

Amperage to voltage only.

b)

Amperage to resistance.

c)

Resistance to voltage only.

d)

Voltage to power supply.

61.

What happens to the body's resistance when standing in water?

a)

It increases.

b)

It decreases.

c)

It remains the same.

d)

It varies significantly.

62.

In terms of electrical safety, what should technicians remember about amperage?

a)

It is always lethal.

b)

It is a function of the power supply.

c)

It does not play a significant role.

d)

It can never be limited.

63.

What is the relationship between voltage and amperage according to the transcript?

a)

Voltage is independent of amperage.

b)

Higher voltage always means higher amperage.

c)

Voltage affects the amperage that flows through the body.

d)

Amperage is not affected by voltage.

64.

What component is essential to prevent excessive current from damaging LEDs in an Arduino circuit?

a)
Voltage regulator
b)
Transistor
c)
Capacitor
d)
Current-limiting resistor
65.

In a basic traffic light circuit, which LED color typically represents "STOP"?

a)
Yellow
b)
Blue
c)
Green
d)
Red
66.

If your traffic light circuit is not working correctly, what should you check first?

a)
Replace the light bulbs.
b)

If the wiring and pin connections are correct

c)
Check the traffic light color.
d)
Check the power supply.
67.

What component is essential for creating a strobe light effect in an Arduino circuit?

a)
Capacitor
b)
Resistor
c)
LED
d)
Transistor
68.

What kind of resistor is typically used with an LED to prevent it from burning out?

a)

10Ω

b)

220Ω

c)

1MΩ

d)

No resistor is needed

69.

What kind of power supply does the Arduino Uno NOT support?

a)
Power supplies between 5V and 15V
b)
Power supplies with USB connection
c)
Power supplies under 5V
d)
Power supplies over 20V
70.

What is the value of this resistor?

(a)  

71.

What is the value of this resistor?

(a)  

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