Online Experiment 2- Electronics lab and How to use Multimeter
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School
Houston Community College *
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Course
2126
Subject
Electrical Engineering
Date
Dec 6, 2023
Type
docx
Pages
9
Uploaded by AgentButterfly2792
Online
Experiment
2:
Electronics
lab
and
How
to
use
Multimeter
Esmeralda
Elias
PHYS-2126
University
physics
laboratory
—
2
August
31,
2023
Objective
Equipment
Theory
and
equations
Procedure
Results
Date
and
observations
Calculations
Conclusions
Table
of
Contents
OBJECTIVE
1.
Recognize
Pasco
lab
kit
equipments
2.
Learn
how
to
use
the
Circuit
Board
3.
Learn
how
to
use
mulitimeter
EQUIPMENT
1.
EM-8656
AD/DC
Electronics
Lab
2.
PS-3211
Wireless
voltage
sensor
3.
PS-3212
Wireless
current
sensor
4,
SE-8829
Student
Multimeter
5.
2
Batteries
6.
Wires,
Resistors,
and
Capacitors
THEORY
Structure
of
the
AC/DC
Circuit
Board:
The
structure
of
the
Circuit
Board
(EM-8656
AD/DC
Electronics
Lab)
as
shown
in
the
Figure
1.
We
define
the
names
of
each
spring
connector
in
the
circuit
board
as
shown
in
the figure.
In
the
rectangular
areas
of
Figure
1,
the
springs
are
connected
in
pairs,
oriented
perpendicular
to
each
other
and
named
C
and
S.
In
a
given
rectangular
area,
the
two
springs
should
be
treated
equally
in
circuit
connection.
For
example,
connecting
to
C1
means
connecting
to
S1
also.
Therefore
the
names
C1
and
S1
are
interchangeable
in
the
following
circuit
build
procedures.
Similarly
for
C2
and
S2,
and
the
others.
PROCEDURE
Resistance
Measurements
5.1
5.2
5.3
Select
4
resistors
of
different
values.
Do
not
select
any
resistor
of
less
than
100
ohms.
Note
their
colors
and
coded
values
in
Table
1.
Attach
one
resistor
at
a
time
between
the
springs
C3
and
C7.
Measure
their
resistance
and
note
in
Table
1.
Calculate
and
note
the
percent
difference
in
the
measured
and
coded
values.
Battery
Voltage
5.4
5.5
Attach
on
D-Cell
in
the top
Battery
Holder
(i.e.
between
B3
and
B4),
keeping
the
positive
side
towards
B4.
Set
the
Multimeter
to
DC
Voltage,
with
a
range
around
5
volts.
Connect
one
prong
of
the
Multimeter
to
B4
and
the
other
to
B3.
Note
the
voltage
of
the
battery.
Voltage
Across
Resistors
5.6
5.7
Take
some
wires
and
connect:
B4
to
SW1
(one
end
of
the
Push-Button
Switch).
Connect
SW2
(the
other
end
of
the
Push
Button
Switch)
to
S3.
Connect
S7
to
S6.
Connect
S6
to
B3.
Connect
one
resistor
between
C3
and
C7.
When
you
press
the
Push
Button
Switch,
the
circuit
will
be
complete,
and
current
will
flow
from
positive
of
the
battery
to
B4-
to
the
Switch
-
to
S3
/
C3
-
through
the
resistor
to
C7
/
S7
-
to
S6
-
to
B3
-
to
the
negative
of
the
battery.
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5.8
Set
the
Multimeter
to
read
DC
voltage,
range
about
5
volts.
Connect
one
of
its
prongs
to
S3
and
other
to
S7.
Now
press
the
Switch
and
note
the
reading
of
the
voltage
across
the
resistance.
Repeat
with
four
other
resistances.
And
note
the
values
in
table
1.
Current
Through
Resistors
5.9
5.10
Now
remove
the
Multimeter.
Set
it
on
DC
Current.
Select
the
highest
value
of
current
as
the
range.
Remove
the
wire
between
S7
and
56,
and
connect
the
two
prongs
of
the
Multimeter
in
between
these
two
(56
and
S7).
Now
the
Multimeter
is
in
series
with
the
circuit,
and
ALL
current
through
the
resistor
will
also
flow
through
it.
Press
the
Switch
and
note
the
value
of
the
current.
If
you
do not
get
a
value,
reduce
the
range
on
the
ammeter
and
measure
current.
(Always
start
with
the
highest
range.
The
ammeter
can
easily
be
damaged
by
a
current
that
is
beyond
its
selected
range).
Using
Wireless
Sensors
for
Voltage
and
Current
5.11
5.12
5.13
5.14
5.15
5.16
5.17
Take
out
the
Multimeter
and
connect
the
Wireless
Current
Sensor
in
its
place.
Turn
on
Capstone
Software.
Turn
on
the
Wireless
Voltage
Sensor
and
Wireless
Current
Sensor.
Click
Hardware
Setup.
Capstone
will
start
detecting
the
Sensors.
Select
them
when
Capstone
detects
them.
Make
sure
the
numbers
match.
Click
Hardware
Setup
again
to
close
it.
On
Capstone,
select
voltage
and
current
How?77?
Connect
one
prong
of
the
Voltage
Sensor
to
S3
and
the
other
to
S7.
Press
the
Switch.
You
should
now
see
values
of
current
and
voltage
in
Capstone.
When
values
stabilize,
note
them.
Repeat
measurements
with
the
same
resistors
as
before.
REPORT
FORM
DATA
Table
1:
Resistances
pg.
4
Resistor
I\Q/%?jg
rg:fd
Percent
No
Color
codes
Value
from
Resistance:2
Error
in
Color
Codes
K
'
Resistance
1
Black-black-brown-gold
0
10ohm
Infiniti
2
Red-blue-red-gold
2.6
0.9940hm
(-,
+)61.7%
3
Orange-orange-red-gold
3.3
0.3270hm
(-,+)90&
4
Brown-black-orange-gold
10
99
or
1
ohm
|
(-,+)90.1%
5
Brown-black-red-gold
1
0.990hm
(-,+)1%
Table
2:
Voltages
and
Currents.
Battery
Voltage
from
step
5.5:
1.52
By
Using
Multimeter
By
Using
Wireless
Sensors
Measured
No
\FigzciiggrAS;?r?S
cUtfi:flile
r%ss
Vo
:\’élae
;
:
l,JArc?
r%ss
cUtfi:flile
r%ss
20'\/
Resistor:
Resistor
Resistor
1
1.18
volt
1.37A
1.3v
0.075A
2
1.51volt
0.4A
1.4v
0.45A
3
1.49volt
1.0A
1.6v
0.12A
4
1.52volt
0.50A
1.5v
0.118A
5
1.52volt
1.05A
2.5v
0.50A
pg.
5
Screenshots
from
capstone:
Brown-black-red-gold:
14
22
i
T
.
1
p—
=
[
viE,,
=
|
C1v)
B
Run
#
L]
o
VS
»
o
un
#1
18
.
LR“"
i
JEI
4
-
0.050s,1.036
A
L0
16
05005,
1.036
A
12
11
=
095
1o
12
0.90
E
1
10
085
<
08
2=
0.80
£
os
s
z
08
s
g
ogiis
2
o1s
g
3
o7
0a
3
g
s
4
0.050s,0.075V
4
4
a
0.70
0.6
§
0.2
bl
065
0.0
05
0o
05005,0.085V
04
-0.2
s
04
§
055
0.4
-
03
0.6
0.50
-0.8
.
P
D
P
P
02
045
i
0.0
1.0
!
01
0.40
:
00
05
10
15
20
25
30
40
45
50
55
60
65
70
15
80
035
!
02
Time
(s)
00
05
10
15
20
25
30
35
40
45
5.0
55
6.0
65
7.0
[Graph
title
here]
Time
(s)
[aTeR——
Black-black-brown-gold:
Red-blue-red-gold:
.
Orange-orange-red-gold:
Brown-black-orange-gold:
.
12
1
2.0
C_10Tv]
o
i
22
11
Run#1
@
g
'
v
f
.
2.45055,1.036
E]
|
-
-1
16
12
Run#1
@[
||
20
1.0
e
L
11
-
16
0.9
0.100s5,1.036
A
12
T
=
10
14
1.0
0.8
<
o
0.9
12
g
08
2
I
P
€
o7
Py
<
1.0
s
[
2
Z
o8
5
E
06
£
S
08
o
3
0.1005,0.124
V
s
g
s
.
S
07
3
0.0
04
o=
24505,0.118V
06
>
04
05
=
0.2
0.6
:
|
02
0.0
o
=
0.4
0.0
-0.2
0.4
.02
03
0.4
0
0.4
02
0.6
0.6
02
0
1
2
3
4
5
6
7
8
9
10
0
1
2
3
4
6
7
8
9
10
1
Time
(s)
Time
(s)
Onnge-ormge-red-gold
[Graph
title
here]
16
|
0.32
'V
ilo3o
15
=
Run
#1
@
|
Brown-black-red-gold:
S
i
'
14
0.26
s
0.24
1.70055,1.036
A
0.22
bots
0.20
&1
018
3
‘E
o
5
-l
o1
g
E
10
£
3
-
o
[S]
014
S
0.9
1.700's,
0.089
V
0.12
ok
0.10
¥
';;;”_
=
fomsomms
et
e
o
e
e
S
AR
R
e
59
) e
1
5
e
0.7
o
0.6
0.04
0.02
05
0.00
0
1
3
4
5
6
7
8
9
10
1
Time
(s)
Brown-black-red-gold.
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Pictures:
Voltage
for
battery.
Set
up
for
Capstone.
pg.
7
Set
up
pg.
8
Data
and
observations:
All
data
gather
through
the
Capstone
and
the
multimeter
was
used
to
calculate
voltage
and
current
of
each
different
resistors
based
also
in
their
color’s
codes.
The
wireless
voltage
and current
sensor
provided
theoretical
measurements.
Calculations:
Conclusion:
The
objective
of
this
experiment
was
to
collect,
obtain
knowledge,
and
observed,
by
using
the
Pasco
Capstone
board,
Wires,
Resistors,
and
Capacitors
to
find
the
values
for
measurement
of
voltage
across
the
resistors,
voltage
of
battery,
and
measurements
of
current
across
the
resistor.
We
also
calculate
the
%error
in
resistance
for
the
first
graph.
pg.
9
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