This document discusses Ohm's Law, which describes the relationship between current, voltage, and resistance in electrical circuits. It defines Ohm's Law, shows the formula relating voltage, current and resistance, and provides examples of using the formula to solve for unknown values. The document aims to teach readers how to use Ohm's Law to compute current, voltage, and resistance through practice problems and a short quiz.

1. GOOD DAY 

2. Current
Ampere
power
Voltage
Volt
Watt
Resistance
Ohm
Hunt this word on word
puzzle

3. A

4. OHM`S
LAW

5. TODAY’S OBJECTIVES:
• define Ohm`s Law
• compute the value of current, voltage and resistance using
Ohm`s Law formula
• appreciate computing the values of current, voltage and
resistance through group activity

6. WHAT IS OHM`S LAW?
Ohm`s law is relationship between the
current, voltage and resistance.
Ohm is named after George Simon a
German Physicist who discovered a
law that states that current is directly
proportional to voltage and inversely
proportional to resistance.

7. DERIVATION OF THE FORMULA
E = IxR ( Voltage = Current x
Resistance )
I = E/R ( Current = Voltage x
Resistance )
R = E/I ( Resistance = Voltage x
Current )
E
I R
OHM`S LAW FORMULA

8. NAME SYMBOL UNIT
Voltage E Volt (v)
Current I Ampere (A)
Resistance R Ohm (Ω)

9. A TV with resistance of 60Ω must draw 5
ampere to operate correctly. What is the correct
voltage to use?
Instruction: Analyze the given problem. Try to
derived and find the value of voltage using the
ohm`s law formula
𝐸
𝐼𝑥𝑅

10. E – stands for voltage
I – stands for current
R – stands for
resistance
𝐸
𝐼𝑥𝑅

11. PROCESS IN SOLVING THE PROBLEM
•The first thing we should do is to identify what is
the given and what is ask in the problem.
•Second, using the general formula, we should
derive our formula based on what is being ask in
the problem.
•Third, substitute the value of each given.
•Fourth, do the fundamental operation and write
the final answer.

12. LET’S HAVE A
PRACTICE!

13. SAMPLE PROBLEMS
1.
2.
3.
5 A
20
v
R=?
5 A
20 Ω
E=?
3 Ω
300
v
I=?

14. LET’S HAVE A
TEST!!!

15. DIRECTION: SOLVE THE FOLLOWING PROBLEM BELOW. LIST
DONE THE GIVEN AND FIND WHAT IS ASK IN THE PROBLEM.
BOX YOUR FINAL ANSWER.
1.
40 A
E=?
3Ω
1.
I=?
220v
1.
60
A
110
v
R=?
10
Ω

16. ASSIGNMENT:
In ¼ sheet of paper answer the following and indicate the
reference:
- What is a resistor?
- What is the function of a resistor in a circuit

17. THANK
YOU!