Kirchhoff’s Current Law For a series circuit: In a series circuit there is only one path so the current must be… Kirchhoff’s Current Law For a series.

Slides:

Advertisements

Similar presentations

Advertisements

Unit 8 Combination Circuits

Unit 8 Combination Circuits

Unit 7 Parallel Circuits

Kirchhoff’s laws. Kirchhoff’s laws: current law: voltage law: Equations.

True or False? The electrons in a circuit move in the same direction as the current. The current through a component is directly proportional to the voltage.

Circuits Series and Parallel. Series Circuits Example: A 6.00 Ω resistor and a 3.00 Ω resistor are connected in series with a 12.0 V battery. Determine.

Before we get started, let’s review: Describe a Series Circuit.

Electric Circuits.

Lecture 2 Basic Circuit Laws

Series and Parallel Circuits Lesson 6. The two simplest ways to connect conductors and load are series and parallel circuits. 1. Series circuit - A circuit.

Ohm’s Law V = IR.

Series & Parallel Circuits

S.MORRIS 2006 ELECTRICAL CIRCUIT CALCULATIONS More free powerpoints at

Making Sense of Circuits.  How much an object resists electricity flowing  Increasing resistance, lowers the current  Measured in Ohms (Ω)

Electric Circuits Level 1 Physics.

Section 2: Series and Parallel Circuits. Series Circuits Picture of Series Circuit:Properties: 1)Current: 2) Voltage: 3) Equivalent Resistance:

OHM’S LAW Resistance. O HM ’ S L AW O HM ’ S L AW  Ohm’s Law: Is the relationship between voltage, current and resistance.

PARALLEL CIRCUITS HAVE MORE THAN ONE POSSIBLE PATHWAY FOR ELECTRONS.

Physics 12 Circuits 4 – Parallel Mr. Jean. The plan: Video clip of the day Series Circuits –Mini-Lab - Series Parallel Circuits:

Solving for current, resistance and voltage in circuits.

ELECTRIC CURRENT 2 Ohm’s law shows the relationship between current, potential, and voltage. We need a few more rules to make predictions about current.

Series Current Series Voltage Drops In a series circuit the sum of the voltage drops across each resistor or device is equal to the potential difference.

4/17/10. Electric Circuits Circuit = Any path along which electrons can flow For a continuous flow of electrons, there must be a complete circuit with.

Circuits. V = IR Voltage is electric potential. It is measured in volts (V). I is current. This is the flow rate of electrical charge. It is measured.

Electrical Systems. VOCABULARYOBJECTIVES  Series circuit  Voltage drop  Kirchoff’s Voltage Law Describe a series circuit. Calculate the resistance.

AP Physics C Electric Circuits.

Combination Circuits. Simplifying Resistors in Combination Circuits 3Ω3Ω 11Ω.

Series and Parallel Circuits

How to Calculate Total Circuit Current in a Series Circuit ?

November 4, 2013 Topic: Electric Circuit Objectives:

Kirchhoff’s laws. Apply Kirchhoff’s first and second laws. Calculate the current and voltage for resistor circuits connected in parallel. Calculate the.

What is the equivalent resistance of this circuit? What is the current running through the first resistor? What is the potential difference drop across.

Ohm’s Law Resistance in Series Circuits

Kirchhoff’s Laws Kirchhoff’s Current Law Kirchhoff’s Voltage Law Series Circuits Parallel Circuits Polarity.

Electric Circuits. Electric circuit: a complete path from the positive terminal to the negative terminal.

Series & Parallel Circuits

Physics 12 Circuits 3 – Series Mr. Jean. The plan: Video clip of the day Power Series Circuits Resistance in Series Application of Ohm’s Law.

Physics 12 Mr. Jean April 2 nd, The plan: Video clip of the day Chapter 12 & 14 Voltage Power Series Circuits Resistance in Series Application of.

Circuit Electricity. Circuit Builder Interactive: Builder/Circuit-Builder-Interactive.

Solving Problems 14.1 & A circuit contains 5-ohm, 3-ohm, and 8-ohm resistors in series. What is the total resistance of the circuit? Rt = R1.

Parallel Circuits. In parallel circuits the current can take more than one path. We call these separate paths branches. The branch points are known as.

Physics 12 Mr. Jean April 10 th, The plan: Video clip of the day Power Series Circuits Resistance in Series Application of Ohm’s Law.

Determining Equivalent Resistance

A B C Which of the circuits shown above are wired in parallel?

Ohm’s Law Foldable First, cut out your equilateral triangle of 8 ½” on each side, Then fold over the flaps!

Series and Parallel Circuits

Kirchhoff’s Laws.

Ch 35 Electric Circuits Electric Circuits.

  emf Chapter 31 – Some Basics of Circuits The Basic things to know:

Determine the current through each resistor, the total current and the voltage across each resistor. VB R4 R5.

IB Physics SL Y2 Friday, September 19, 2014

Series Circuit.

Electric Circuits IB Physics SL Y2 Friday, September 19, 2014

Series and Parallel Resistors

Chapter Twenty One: Electrical Systems

Electric Circuits AP Physics B.

Kirchhoff’s Laws.

Series Parallel Circuits Notes Homework: Page 619 Q 1-4 Pg 623 Q 11

Series and Parallel Circuits

Combination Circuits.

Parallel Circuits.

Bell Work: series circuits (use your phet simulation)

Kirchoff’s Current Law

Warm up 2/18 Explain Power What formula do you use to calculate the power used in a circuit? How can you know how much current will flow or how much voltage.

Chapters 18 & 19 What is the definition of electric potential?

No; there is no continuous path resists light heat

Presentation transcript:

Kirchhoff’s Current Law For a series circuit: In a series circuit there is only one path so the current must be… Kirchhoff’s Current Law For a series circuit: In a series circuit there is only one path so the current must be…

For a parallel circuit: In a parallel circuit the charge can take different paths. Therefore the amount of charge at any point… For a parallel circuit: In a parallel circuit the charge can take different paths. Therefore the amount of charge at any point…

V T = V 1 + V 2 + V 3 …

V T = V 1 = V 2 = V 3 …

R T = R 1 + R 2 + R 3 …

1 = … R T R 1 R 2 R 3

Example A series circuit is shown to the left. a) What is the total resistance? b) What is the total current? c) What is the current across EACH resistor? d) What is the voltage drop across each resistor?( Apply Ohm's law to each resistor separately) R(series) = = 6   V=IR 12=I(6) I = 2A They EACH get 2 amps! V 1   2 VV 3  =(2)(3)= 6VV 2  =(2)(2)= 4V Notice that the individual VOLTAGE DROPS add up to the TOTAL!!

Example To the left is an example of a parallel circuit. a) What is the total resistance? b) What is the total current? c) What is the voltage across EACH resistor? d) What is the current drop across each resistor? (Apply Ohm's law to each resistor separately) 2.20  3.64 A 8 V each! 1.6 A1.14 A0.90 A Notice that the individual currents ADD to the total.