OMH’S LAW The current flowing through the circuit is directly proportional to the applied voltage an inversely proportional to the resistance of the circuit.

Slides:



Advertisements
Similar presentations
Current Electricity & Ohm's Law.
Advertisements

Ohm’s Law.
What is Electricity? Electricity is the flow of moving electrons. When the electrons flow it is called an electrical current.
Concept Summary Batesville High School Physics. Potential Difference  Charges can “lose” potential energy by moving from a location at high potential.
Amps, Volts and Ohms Units of Electrical Measurement.
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Addison-Wesley Electricity Physics 102 Goderya Chapter(s): 22 and 23 Learning Outcomes:
ELECTRIC CURRENT Electricity, like water, can only flow if charged particles have potential.
10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt.
Current Electricity. Current A measure of the flow of charge. Ampere: Electrical measurement of the flow of electrons. 1 Ampere = 1 Coulomb/second. 1.
Electric Current Electrical current is the flow of electrons. Unlike static electricity, charges are in motion. Two types of Current I. Direct current.
Warmup: Concept: OHM’s Law. Electrical current is a measure of the rate at which electrical charge moves in a circuit. Electrical current is measured.
Electrical Potential (Voltage) Answers (Page 303)
Electrical Current Mr. Fleming.
4.2.3B Electrical Power What About Watts?. Power Law Moving electrons (current) requires ENERGY How much energy gets used depends on: Strength of push.
Chapter 7 Electricity. What is Charge? Protons have a (+) charge Electrons have a (-) charge Charge (q) is measured in Coulombs The elementary charge.
Calculating Electricity
EE2010 Fundamentals of Electric Circuits
PS-6.6 Explain the relationships among voltage, resistance, and current in Ohm’s law. Key Concepts: Voltage: volt Resistance: ohm Current: amp Ohms law.
CHAPTER 2 ELECTRICAL QUANTITIES AND OHM’S LAW. OBJECTIVE. AFTER TODAY, STUDENTS WILL UNDERSTAND THE ELECTRICAL VALUES OF AMPS, VOLTS, OHMS,AND WATTS.
2 But what makes the electrons flow? Any electrical circuit requires three things 1.A source 2.A load 3.A means of transmission A definition of a current.
Electricity. Electric Current The net movement of electric charges in a single direction Electrons in a material (metal wire) are in constant motion in.
ELECTRICITY D.C. stands for direct current which flows in one direction only (- to +) A.C.stands for alternating current which changes direction 50 times.
Electrical Quantities
Ohm’s Law Calculating Current, Voltage, and Resistance.
Circuit Electricity May 30, 2012 Chapter 22. Terms  Current: Flow of charge  Symbolized by “ I ”  Units = Coulombs/second = Amperes (A)  Circuit:
 Electrical circuit: a closed loop where charged particles flow  Electrical current: a flow of charged particles (e - )  Direct current (DC): a flow.
Electricity. whether two charges attract or repel depends on whether they have the same or opposite sign unit of measurement for charge is the coulomb.
Electrical Current and Circuits How Electricity Gets To Where It Is Going.
Chapter 5 Ohm’s Law. 2 Objectives –After completing this chapter, the student should be able to: Identify the three basic parts of a circuit. Identify.
Electricity and Electronics Base of Modern Technology.
Ohm’s Law. Ohm’s Law states that the voltage v across a resistor is directly proportional to the current flowing through it.
Methods of Charging Conduction – A Charged Object comes in CONtact with a neutral object. – The neutral object takes on the same Net Charge as the Charged.
Amperes, Volts and Ohms. We use different units to measure different things: We use different units to measure different things: Time – minutes Time –
Ohm’s Law PSSA Requirement Unit 9 Honors Physics.
Ohm’s Law Notes JAN 7. Vocabulary current : how quickly the electrons are flowing through the circuit; units: amperes (A) voltage : the electric potential.
Measuring Electricity. Electric Potential – the electrical energy that an electron possesses. Electric current is a measure of the rate at which the electric.
Unit 2 Electrical Quantities and Ohm’s Law
Ohm’s Law Aim: How does voltage and resistance affect current flow?
Current Electricity.
Reformatted for Powerpoint by Megan Maller
Ohm’s Law.
16.3 OHMS LAW.
Ohm’s Law.
Electric Circuit Components are connected together with electrical wire to form a closed loop. Components are represented by symbols 1.
Electric Current.
Current electricity.
Series Circuit – 1 bulb Series Circuit – 1 bulb.
Ohm’s Law.
Ch Electricity II. Electric Current (p ) Circuit
JC Technology Electric Circuits.
Electrostatics and Electricity
Chapter 5 Ohm’s Law.
Ohm’s Law.
Ohm’s Law If the current I = 0.2A and the resistance R = 1000 ohms, solve for voltage. If V = 110V and R = ohms, how much current is flowing through.
Topic H: Electrical circuits
Electricity Electric Current.
Electric Current 6.2.
Electrical Current & Circuits
Knowledge Organiser – Electricity
REVISION CIRCUITS.
CIRCUITS Current Resistance Ohms Law Power Series Circuits
Science 9 Electricity Review.
Electricity II. Electric Current Circuit Potential Difference Current
Please bring your book tomorrow.
Ohm’s Law & Circuits Chapter 7.2 & 7.3.
P2 - Physics Circuits.
Electric Current and Ohm’s Law
Electric Current Chapter 34.
Current and Simple Circuits Voltage Resistance Safety
Resistance.
Presentation transcript:

OMH’S LAW The current flowing through the circuit is directly proportional to the applied voltage an inversely proportional to the resistance of the circuit. I ~ V I ~ 1 R I = V V = Voltage of the circuit measured in Volts (V) I = Current through the circuit measured in amperes (A) R = Resistance measured in Ohms (Ω) MAGIC TRIANGLE Pheelwane KA

OHM’S MAGIC CYCLE Pheelwane KA

CONCEPTS TABLE Quantity Symbol Units Voltage V Volts(v) Current I Amperes(A) Resistance R Ohms(Ω) Pheelwane KA

DIFINATION OF CONCEPTS Voltage is the force that push current to flow through the circuit. Current is the continuous flow of charges in an electric circuit. Resistance is the opposition offered to the flow of current in the circuit. Pheelwane KA

One cell circuit Pheelwane KA

Two series cells Pheelwane KA

Three series cells Pheelwane KA

OHM’S LAW GRAPH 2 1.5 1 0.5 1.5 3 4.5 6 Pheelwane KA