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Chapter 8 Introduction to Magnetic Fields

Chapter 8 Introduction to Magnetic Fields The Definition of a Magnetic Magnetic Force on a Current-Carrying Example : Magnetic Force on a Semi-Circular Torque on a Current Magnetic force on a Animation : Torques on a Dipole in a Constant Magnetic charged particles in a Uniform Magnetic Animation : charged Particle Moving in a Uniform Magnetic Velocity Mass Problem-Solving Solved Rolling Suspended Conducting charged particles in Magnetic Bar Magnet in Non-Uniform Magnetic Conceptual Additional Force Exerted by a Magnetic Magnetic Force on a Current Carrying Sliding Particle Particle Orbits in a Magnetic Force and Torque on a Current Force on a Levitating 8-1 Introduction to Magnetic Fields Introduction We have seen that a charged object produces an electric field EGat all points in space.

Since electric current consists of a collection of charged particles in motion, when placed in a magnetic field, a current-carrying wire will also experience a magnetic force. FB G Consider a long straight wire suspended in the region between the two magnetic poles. The magnetic field points out the page and is represented with dots (•).

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