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Electronics

Total questions: 33

Worksheet time: 1hrs 6mins

Name
Class
Date
1.
What electronic component allows current to flow in one direction only? 
a)
Resistor
b)
LED
c)
Didode
d)
Switch
2.
Electronics is the science and technology concerned with regulating flow of:
a)
Heat
b)
Electricity
c)
Water
d)
Power
3.
Electricity is: 
a)
Flowing electrons
b)
Still electrons
c)
voltage x wattage
d)
amps x watts
4.
The symbol for voltage is: 
a)
Vo
b)
V
c)
W
d)
Amp
5.
Current is measured in:
a)
Ohms
b)
Voltage
c)
Amperes
d)
Watts
6.
If you have three 1.5V batteries in series, what would be total voltage be? 
a)
3.4 V
b)
4.5 V
c)
1.5 V
d)
3 V
7.

Identify the electronic symbol.

a)

Diode

b)

Photodiode

c)

Reflective diode

d)

Light Emitting Diode

8.
Which of these is a very good insulator?
a)
water
b)
silver
c)
wood
d)
rubber
9.
A conductor____________________________
a)
will not conduct current
b)
resists current flow
c)
provides a path for current flow
d)
provides no path for current flow
10.
Which resistor will prevent the most current flow?
a)
1 ohm
b)
100 ohms
c)
1000 ohms
d)
0.5k ohms
11.

LED means

a)

Light Emitting Display

b)

Light Emitting Diode

c)

Laser Emitting Display

d)

Laser Emitting Diode

12.
this is the symbol for a _____?
a)
switch
b)
light 
c)
battery
d)
wires
13.
What kind of circuit is this?
a)
series
b)
parallel
14.
What is a Parallel circuit? 
a)
Has only one path 
b)
Has more than one path 
c)
Allows energy to travel through easily 
d)
Has only one light bulb
15.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
16.
Which circuit (s) are parallel?
a)
A
b)
A and B
c)
B and C
d)
C
17.

Students constructed a circuit using different-colored lightbulbs. What will happen if Switch 3 is closed and the other switches are left open?

a)

Only the white bulb will operate

b)

None of the bulbs will operate

c)

Only the white and yellow bulbs will operate

d)

Only the red and blue bulbs will operate

18.

Identify this component

a)

Uno Cards

b)

Raspberry Pi

c)

Arduino Duo board

d)

Arduino Uno board

19.

Identify this component

a)

Arduino Uno board

b)

Raspberry Pi

c)

Breadboard / Protoboard

d)

White Plastic Board

20.
The (-) column on your breadboard represents the ground.
a)
True
b)
False
21.
The (+) column on your breadboard represents the positive charge or power to your circuit.
a)
True
b)
False
22.
In the RGB LED, the R stands for ___________
a)
Ready
b)
Red
c)
Read only
23.
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)
Temperature being given
d)
All of the answers are correct
24.

What is this component called?

a)

Potentiometer

b)

Photoresistor

c)

Thermistor

d)

Rheostat

25.

Which leg do you connect to +5V?

a)

Top

b)

Bottom

c)

It doesn't matter

26.

What type of buzzer is this?

a)

Passive

b)

Active

27.

Which pin do you connect 5V to?

a)

Vcc

b)

Trig

c)

Echo

d)

GND

28.

The ultrasonic sensor measures distance from the time difference between which two pins?

a)

Vcc & Trig

b)

GND & Echo

c)

Trig & Echo

d)

Vcc & Echo

29.

Which pin gets connected to a digital input socket?

a)

+5V

b)

VRx

c)

VRy

d)

SW

30.

What gets connected as an analogue input

a)

VRx

b)

VRy

c)

SW

d)

VRx & VRy

e)

+5V & SW

31.

When programming the switch, what do you have to manually enter in the code?

a)

_PULLUP

b)

_PULLDOWN

c)

_PUSHUP

d)

_PUSHDOWN

32.

To find out how loud the room is, what do you connect?

a)

AO to A2

b)

DO to D2

c)

DO to A2

d)

AO to D2

33.

What type of device is this?

a)

Analogue

b)

Digital

c)

Moist

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