Rizal Technological University
College of Engineering, Architecture, and Technology
Preliminary Data Report
Ohm’s Law
Prepared by:
Lim, Sheryl M.
Manzana, Louie Mer J.
Marcaida, Cedrick C.
Medina, Aecer S.
September 2022
I.
Summary of the Experiment
Based on the conducted experiment, wherein it involves in Ohm’s law. It can be
used to identify the relationship of the three electrical properties such as voltage, current,
and resistance in any DC electrical circuit, by using multism simulator.
Concurrently, Ohm's Law is one of the most fundamental and important laws
governing electrical and electronic circuits. It relates current, voltage, and resistance for
a linear device, such that if two are known, the third can be calculated. Meanwhile,
Multism is a software that integrates industry standard simulation. Whereas, it provides
an interactive schematic environment to instantly visualized and analyze an electronic
circuit.
In additional, it can be used to easily compute the current, resistance, and voltage.
Now, using the Ohm’s Law formula, which is V=IR. You can use the multism simulator, in
order to make sure that your calculation is accurate. Thus, you should know first the
placing and finding of the components, so that you can able to create a circuit diagram
that is suitable in your experiment.
Given those values on the table, you should make effort by changing the values
stated by the instructor in each circuit diagram needed. In result, as shown in our graph
and table we were able to gather information and prove that as soon as the voltage
increase the current also increases, meaning the voltage with respect to current is directly
proportional, while inversely proportional to resistance. Hence, the theoretical calculations
were achieved from the original formula, which is V = IR.
II.
Data and Results
VOLTAGE
CURRENT (A)
SIMULATIONS
CURRENT (A)
CALCULATIONS
5V
999.998mA or 1 A
I = V/R
= 5/5
=1A
10V
2A
I = V/R
= 10/5
=2 A
15V
3A
I = V/R
=15/5
=3 A
4A
I = V/R
= 20/5
=4A
5A
I = V/R
= 25/5
=5A
20V
25V
TABLE NO. 1: For R= 5Ω (constant resistance)
RESISTANCE
CURRENT (A)
SIMULATIONS
CURRENT (A)
CALCULATIONS
2Ω
30 A
I = V/R
= 60/2
= 30 A
3Ω
20 A
I = V/R
= 60/3
= 20 A
5Ω
12 A
I = V/R
= 60/5
= 12 A
6Ω
10 A
I = V/R
= 60/6
= 10 A
12Ω
5A
I = V/R
= 60/12
=5A
TABLE NO. 2: For V= 60V (constant Voltage)
TABLE NO.1: Fixed Resistance R=5Ω
TABLE NO. 2: Fixed Voltage V= 60V
2.1.
CIRCUITS DIAGRAMS
DIAGRAM: For Fixed Resistance (R=5Ω)
DIAGRAM: For Fixed Voltage (V=60V)
2.2 TABLES
VOLTAGE
5V
10V
15V
20V
25V
CURRENT (A)
SIMULATIONS
CURRENT (A)
CALCULATIONS
999.998mA or 1 A
I = V/R
= 5/5
=1A
2A
I = V/R
= 10/5
=2 A
3A
I = V/R
=15/5
=3 A
4A
I = V/R
= 20/5
=4A
5A
I = V/R
= 25/5
=5A
TABLE NO.1: For R= 5Ω (constant resistance)
CURRENT (A)
SIMULATIONS
CURRENT (A)
CALCULATIONS
2Ω
30 A
I = V/R
= 60/2
= 30 A
3Ω
20 A
I = V/R
= 60/3
= 20 A
5Ω
12 A
I = V/R
= 60/5
= 12 A
6Ω
10 A
I = V/R
= 60/6
= 10 A
12Ω
5A
I = V/R
= 60/12
=5A
RESISTANCE
TABLE NO. 2: For V= 60V (constant Voltage)
2.3 SIMULATIONS
SIMULATIONS: For Fixed Resistance (R=5Ω)
5V.)
10V.)
15V.)
20V.)
25V.)
SIMULATIONS: FOR FIXED VOLTAGE (V= 60V)
2Ω).
3Ω).
5Ω).
6Ω).
12Ω).
2.4. CALCULATIONS
FOR FIXED RESISTANCE (R = 5Ω)
𝑉
FORMULA: V=IR (ohm’s law)
5V). I
𝑉
=
10V).
𝑅
=
=
I=
5
I=𝑅
𝑉
𝑅
=
5
1A
20V). I =
10
𝑉
𝑅
=
5
=2A
𝑉
𝑅
25V). I =
20
25
=5
5
=4A
=5A
FOR FIXED VOLTAGE (V = 60V)
𝑽
FORMULA: I = 𝑹
2Ω). I =
𝑽
𝑹
=
𝟔𝟎
𝟐
= 30 A
3Ω). I =
=
𝑽
𝑹
𝟔𝟎
𝟑
= 20 A
5Ω). I =
𝑽
𝑹
=
𝟔𝟎
𝟓
= 12 A
6Ω). I =
𝑽
𝑹
=
𝟔𝟎
𝟔
= 10 A
12Ω). I =
𝑽
𝑹
𝟔𝟎
= 𝟏𝟐
=5A
REFERENCES:


https://www.electronics-notes.com/articles/basic_concepts/resistance/what-is-ohms-lawformulaequation.php?fbclid=IwAR3c9gYILDW30SzB8ai2mzOaxW4uj_IzFhrJ5umXwOui
XPzfu5f2KuWS5jw
https://ohmlaw.com/ohms-law-lab-report/?fbclid=IwAR0sQnLqyRpDPQt59N4LfVU8hKPg6n1jeJDK8eJ6MiuNHMEufEyFveOF0A