Fig 29-CO, p.895. Ch 29 Magnetic Fields 29.1 Magnetic Fields and Forces F B = q v x B (cross or vector product) F B = |q|vBsin F B  v and B and use.

Slides:

Advertisements

Similar presentations

Torque On A Current Loop In A Uniform Magnetic Field

Advertisements

Magnetic Force on a Current-Carrying Conductor

Magnetic Force Acting on a Current-Carrying Conductor

Chapter 29 Magnetic Fields.

Phy 213: General Physics III Chapter 28: Magnetic Fields Lecture Notes.

Unit 4 day 2 – Forces on Currents & Charges in Magnetic Fields (B) The force exerted on a current carrying conductor by a B-Field The Magnetic Force on.

Chapter 22 Magnetism AP Physics B Lecture Notes.

Magnetic Fields and Forces

© 2012 Pearson Education, Inc. A beam of electrons (which have negative charge q) is coming straight toward you. You put the north pole of a magnet directly.

Motion of Charged Particles in Magnetic Fields

Happyphysics.com Physics Lecture Resources Prof. Mineesh Gulati Head-Physics Wing Happy Model Hr. Sec. School, Udhampur, J&K Website: happyphysics.com.

© 2012 Pearson Education, Inc. { Chapter 27 Magnetic Fields and Forces (cont.)

Magnetic Forces. Forces in Magnetism The existence of magnetic fields is known because of their affects on moving charges. What is magnetic force (F B.

When a charged particle moves through a magnetic field, the direction of the magnetic force on the particle at a certain point is Q in the direction.

Lecture 19-Wednesday March 11 Magnetic Forces on Moving Charges Mass Spectrometers.

STARTER Which way does the current point in this wire?

Magnetism (sec. 27.1) Magnetic field (sec. 27.2) Magnetic field lines and magnetic flux (sec. 27.3) Motion of charges in a B field (sec. 27.4) Applications.

Magnetism (sec. 27.1) Magnetic field (sec. 27.2) Magnetic field lines and magnetic flux (sec. 27.3) Motion of charges in a B field (sec. 27.4) Applications.

Physics 6B Magnetic Forces and Fields Prepared by Vince Zaccone For Campus Learning Assistance Services at UCSB.

Magnetism Magnetic Force 1 Magnetic Force on a Moving Charge Magnetic Force on a Current Carrying Wire.

Physics 121: Electricity & Magnetism – Lecture 9 Magnetic Fields Dale E. Gary Wenda Cao NJIT Physics Department.

Physics for Scientists and Engineers II, Summer Semester Lecture 11: June 15 th 2009 Physics for Scientists and Engineers II.

Copyright © 2009 Pearson Education, Inc. Lecture 8 - Magnetism.

Certain objects and circuits produce magnetic fields Magnetic fields, like electric fields, are vector fields They have a magnitude and a direction Denoted.

Magnetic Fields CHAPTER OUTLINE 29.1 Magnetic Fields and Forces

Magnetism Magnetic field- A magnet creates a magnetic field in its vicinity.

The magnetic force law (Lorentz law) The magnitude of the force is the B field x the perpendicular velocity x charge Or The velocity x the perpendicular.

Magnetism Magnetic Force. Magnetic Force Outline Lorentz Force Charged particles in a crossed field Hall Effect Circulating charged particles Motors Bio-Savart.

Chapter 28 Magnetic Fields Key contents Magnetic fields and the Lorentz force The Hall effect Magnetic force on current The magnetic dipole moment.

Magnetic Forces and Fields. Magnetic Force Right Hand Rule: Cross Product.

Magnetic Field and Magnetic Forces

Chapter 20 The Production and Properties of Magnetic Fields.

Magnetism 1. 2 Magnetic fields can be caused in three different ways 1. A moving electrical charge such as a wire with current flowing in it 2. By electrons.

Physics 2112 Unit 16 Concept: Motional EMF.

Review Problem Review Problem Review Problem 3 5.

Magnetism Forces caused by Magnetic Fields. Magnetic Fields Measured in Teslas (T) or Gauss (G) 10,000 G = 1 T Moving charge causes magnetic fields Remember.

Fields and Forces State Newton’s Law of gravitation Define gravitational field strength Determine the gravitational field due to one.

Dr. Jie ZouPHY Chapter 29 Magnetic Fields. Dr. Jie ZouPHY Outline Magnetic fields (29.1) Magnetic force on a charged particle moving in a.

Magnetic Fields Chapter 29 (continued). Force on a Charge in a Magnetic Field v F B q m (Use “Right-Hand” Rule to determine direction of F)

Magnetic Fields Chapter The force exerted by a magnetic field Definition of B 26.3 Motion of a charged particle in a magnetic field Applications.

A Brief Recap Charged particles in motion create magnetic fields around themselves. We can use Right-Hand Rule #1 to determine the direction of a magnetic.

5. Magnetic forces on current l A Example: A straight wire carrying a current is placed in a region containing a magnetic field. The current flows in the.

A positive point charge is moving directly toward point P. The magnetic field that the point charge produces at point P Q points from the charge.

PHYS 1442 – Section 004 Lecture #12 Wednesday February 26, 2014 Dr. Andrew Brandt Chapter 20 -Charged Particle Moving in Magnetic Field -Sources of Magnetic.

Magnetism #2 Induced EMF Ch.20. Faraday’s Law of Induction We now know that a current carrying wire will produce its own magnetic field with the lines.

Chapter 19 Magnetic Force on Charges and Current- Carrying Wires.

Magnetic Fields. Magnetic Fields and Forces a single magnetic pole has never been isolated magnetic poles are always found in pairs Earth itself is a.

Applications of Ampere’s Law

Slide 1Fig 29-CO, p.895. Slide 2  The direction of the magnetic field B at any location is the direction in which a compass needle points at that location.

CH Review -- how electric and magnetic fields are created Any charged particle creates an electric field at all points in space around it. A moving.

PHY 112 (SECTION 001 ) Lecture 12,13 Chapter 28 of R Haliday Book.

Physics 212 Lecture 13, Slide 1 Physics 212 Lecture 13 Forces and Torques on Currents.

Physics 212 Lecture 13, Slide 1 Physics 212 Lecture 13 Torques.

Ph126 Spring 2008 Lecture #8 Magnetic Fields Produced by Moving Charges Prof. Gregory Tarl é

Certain objects and circuits produce magnetic fields Magnetic fields, like electric fields, are vector fields They have a magnitude and a direction Denoted.

1 15. Magnetic field Historical observations indicated that certain materials attract small pieces of iron. In 1820 H. Oersted discovered that a compass.

Magnetic Fields and Forces Wenny Maulina. Facts about Magnetism.

Magnetic Force Acting on a Current-Carrying Conductor

Torque On A Current Loop In A Uniform Magnetic Field

Figure 22-1 The Force Between Two Bar Magnets

Magnetic Fields Ch. 29 Certain objects and circuits produce magnetic fields Magnetic fields, like electric fields, are vector fields They have a magnitude.

Electric Field & Magnetic Field

Magnetic Fields Ch. 29 Certain objects and circuits produce magnetic fields Magnetic fields, like electric fields, are vector fields They have a magnitude.

Physics 014 Magnetic Fields.

A reminder about current

5. Magnetic forces on current

26 Magnetic Field Force on moving charge/current

Magnetic Fields Ch. 28 Certain objects and circuits produce magnetic fields Magnetic fields, like electric fields, are vector fields They have a magnitude.

Chapter 28 Magnetic Fields

Magnetic Fields Ch. 28 Certain objects and circuits produce magnetic fields Magnetic fields, like electric fields, are vector fields They have a magnitude.

Presentation transcript:

Fig 29-CO, p.895

Ch 29 Magnetic Fields 29.1 Magnetic Fields and Forces F B = q v x B (cross or vector product) F B = |q|vBsin F B  v and B and use the rt. hand rule ixi = jxj = kxk = 0 ixj = k (ijkijk) Units: Tesla = N/C(m/s) = N/Am        +  -

Fig 29-4a, p.898

Fig 29-3, p.897

P29.1 (p.918) CT1-4 (a-d) A.up B.down C.right D.left E.in F.out G. none

Ch 29 Magnetic Fields 29.1 Magnetic Fields and Forces P29.3 (p.830)

Ch 29 Magnetic Fields 29.2 Motion of a Charged Particle in a Uniform Magnetic Field P29.15 (p.831)

Ch 29 Magnetic Fields 29.3 Applications Involving Charged Particles Moving in a Magnetic Field P29.19 (p.831)

FBFB FEFE CT5: What is the sign of the charge? A. plus B. minus C. neutral

Ch 29 Magnetic Fields 29.4 Magnetic Forces Acting on a Current Carrying Conductor n = number of carriers per volume A = cross-sectional area v D = drift velocity ds = ds (v D /v D ) (a vector along v D ) ds

Ch 29 Magnetic Fields 29.4 Magnetic Forces Acting on a Current Carrying Conductor F B = I ds x B (infinitesimal length) F B = I  ds x B (in general) F B = I L x B (finite length in a uniform magnetic field) P29.26 (p.831)          I B  

The magnetic force on a curved current carrying wire in a uniform magnetic field is equal to that on a straight wire connecting the end points and carrying the same current. F B = I  ds x B

CT6: The magnetic force on the above closed loop in a uniform magnetic field is A. to the right B. upward along B C. zero 

CT7: The same current passes from A to B in each case below. A and B are always 10 cm apart. Rank them according to the magnitude of the magnetic force from greatest to least. A. abcd B. dcba C. cabd D. bacd E. acbd F. acdb 30 

Ch 29 Magnetic Fields 29.5 Torque on a Current Loop in a Uniform Magnetic Field

coil rotation axis top view side view

P29.35 (p.833)

Fig 29-17, p.907