Physics 121: Electricity & Magnetism – Lecture 7 Carsten Denker NJIT Physics Department Center for Solar–Terrestrial Research.

Slides:

Advertisements

Similar presentations

Circuits Electromotive Force Work, Energy and emf

Advertisements

+ V (Volt) = W (work done, J) Q (charge, C)

Chapter 27 Circuits Key contents The emf device Single-loop circuits Multi-loop circuits RC circuits.

Chapter 27 Circuits. 27.2: Pumping Charges: In order to produce a steady flow of charge through a resistor, one needs a “charge pump,” a device that—by.

Physics 121: Electricity & Magnetism – Lecture 8 DC Circuits

Fundamentals of Circuits: Direct Current (DC)

DC circuits Physics Department, New York City College of Technology.

Physics 121: Electricity & Magnetism – Lecture 6 Carsten Denker NJIT Physics Department Center for Solar–Terrestrial Research.

Physics 121: Electricity & Magnetism – Lecture 9 Carsten Denker NJIT Physics Department Center for Solar–Terrestrial Research.

Direct Current Circuits

1 CHAPTER-27 Circuits. 2 Ch 27-2 Pumping Charges  Charge Pump:  A emf device that maintains steady flow of charges through the resistor.  Emf device.

Physics 121: Electricity & Magnetism – Lecture 13 Carsten Denker NJIT Physics Department Center for Solar–Terrestrial Research.

Physics 121: Electricity & Magnetism – Lecture 11 Carsten Denker NJIT Physics Department Center for Solar–Terrestrial Research.

Physics 121: Electricity & Magnetism – Lecture 5 Carsten Denker NJIT Physics Department Center for Solar–Terrestrial Research.

Physics 121: Electricity & Magnetism – Lecture 4 Carsten Denker NJIT Physics Department Center for Solar–Terrestrial Research.

Fig 28-CO, p.858. Resistive medium Chapter 28 Direct Current Circuits 28.1 Electromotive “Force” (emf)

Chapter 26 DC Circuits. I Junction rule: The sum of currents entering a junction equals the sum of the currents leaving it Kirchhoff’s Rules.

Lesson 6 Direct Current Circuits  Electro Motive Force  Internal Resistance  Resistors in Series and Parallel  Kirchoffs Rules.

Physics 1402: Lecture 10 Today’s Agenda Announcements: –Lectures posted on: –HW assignments, solutions.

Electric current and direct-current circuits A flow of electric charge is called an electric current.

© 2005 Pearson Prentice Hall This work is protected by United States copyright laws and is provided solely for the use of instructors in teaching their.

Lecture 2 Basic Circuit Laws

Direct Current When the current in a circuit has a constant direction, the current is called direct current Most of the circuits analyzed will be assumed.

Physics 121 Lecture Summaries Contents: – 9/21/2008 Lecture 1Introduction to Fields Lecture 2Electric Charge Lecture 3Electric Field Lecture 4Gauss’s Law.

Electric Circuits. Power Sources Power supplies provide both voltage and current. Direct Current (DC) –Batteries and AC adapters Alternating Current (AC)

Lecture 6 Direct Current Circuits Chapter 18 Outline Energy Source in Circuits Resistor Combinations Kirchhoff’s Rules RC Circuits.

MHS Physics Department AP Unit III C 2 Steady state direct current circuits with batteries and resistors only.

Chapter 27 Circuits In this chapter we will cover the following topics: -Electromotive force (emf) -Ideal and real emf devices -Kirchhoff’s loop rule -Kirchhoff’s.

The parallel-plate capacitor charged with q, then: energy density.

Time Level of concentration 5.00pm Syllabus Reactive components: Inductors and Capacitors. Ohms law, resistors in series and in parallel. Power. Ideal.

10/9/20151 General Physics (PHY 2140) Lecture 10  Electrodynamics Direct current circuits parallel and series connections Kirchhoff’s rules Chapter 18.

Chapter 29 Emf and Circuits

DC CIRCUITS SLIDES BY ZIL E HUMA. OBJECTIVES MULTILOOP CIRCUITS JUNCTION BRANCH KIRCHHOFF’S FIRST RULE MEASURING INSTRUMENTS – THE AMMETER – THE VOLTMETER.

Chapter 19 DC Circuits. Objective of the Lecture Explain Kirchhoff’s Current and Voltage Laws. Demonstrate how these laws can be used to find currents.

© 2005 Pearson Prentice Hall This work is protected by United States copyright laws and is provided solely for the use of instructors in teaching their.

Lecture 11-1 Electric Current Current = charges in motion Magnitude rate at which net positive charges move across a cross sectional surface Units: [I]

Chapter 27: Circuits Introduction What are we going to talk about in chapter 28: What is an electromotive force ( E : emf)? What is the work done by an.

19-2 EMF and Terminal Voltage A battery or generator, or other electrical energy creation device, is called the seat or source of electromotive force,

Circuit Rules Electricity Lesson 7. Learning Objectives To know the rules for series and parallel circuits. To know the principle behind these rules.

Series and Parallel Circuits

Chapter 27 Lecture 23: Circuits: I. Direct Current When the current in a circuit has a constant direction, the current is called direct current Most of.

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

Spud-Power Mark Rad AP Physics 1 Mr. L. Küffer. Electricity In Potatoes? Not exactly… Electrochemical cell Movement of electrons spontaneously Adding.

Simple Electricity By Christos. The Enormous Electrical Force Quiz: If you were standing at a arm’s length from someone and each of you had an 1% more.

Chapter – 7 DC CIRCUITS 1.Electromotive Force 2.Single-loop currents 3.Multi-loop circuits 4.Energy in circuits 5.The RC circuit.

Chapter-27: Circuits This chapter deals with DC (direct current) Circuits. We will cover the following topics: -Electromotive force (emf) -Ideal and real.

DC Circuits AP Physics Chapter 18. DC Circuits 19.1 EMF and Terminal Voltage.

5.2.2 D.C. Circuits Practical circuits Electromotive force and internal resistance Kirchhoff’s laws Series and parallel arrangements Potential divider.

Internal Resistance Review Kirchhoff’s Rules DC Electricity.

Definitions. Electricity Electric Current Current Direction The current direction is from positive to negative but the electron direction is from negative.

Current = charges in motion

Direct Current Circuits

Kirchhoff’s Rules.

Electric Current Aims: Build series and parallel circuits

Direct Current Circuits

Electricity and magnetism Chapter Seven: DC Circuits

Kirchhoff’s Rules.

General Physics (PHY 2140) Lecture 6 Electrodynamics

General Physics (PHY 2140) Lecture 10 Electrodynamics

Chapter Circuits In this chapter we will cover the following topics:

Circuit in DC Instruments

Phys102 Lecture 12 Kirchhoff’s Rules

Kirchhoff’s Laws.

EMF and Terminal Voltage

DC circuits Physics /3/2018 Lecture X.

Current and Direct Current Circuits

Circuits Kirchhoff’s Rules

Kirchhoff’s Laws.

Chapter 27 Circuits In this chapter we will cover the following topics: -Electromotive force (emf)

Phys102 Lecture 12 Kirchhoff’s Rules

Presentation transcript:

Physics 121: Electricity & Magnetism – Lecture 7 Carsten Denker NJIT Physics Department Center for Solar–Terrestrial Research

February 28, 2007Center for Solar-Terrestrial Research Work, Energy, and EMF How do we “pump” charge?  EMF (electromotive force) device! Definition of EMF  Battery  Generator  Solar cells  Fuel cells  Thermopiles

February 28, 2007Center for Solar-Terrestrial Research Single Loop Circuits n resistances in series  Loop rule  Resistance rule  EMF rule Energy/potential method

February 28, 2007Center for Solar-Terrestrial Research Potential Difference Power of an EMF device To find the potential difference between any two points in a circuit, start at one point and traverse the circuit to the other, following any path, and add algebraically the changes in potential that you encounter.

February 28, 2007Center for Solar-Terrestrial Research Multi-Loop Circuits n resistances in parallel Junction Rule: The sum of the currents entering any junction must be equal to the sum of the currents leaving that junction. Table 28 – 1!