Transcription of Chapter 8 Introduction to Magnetic Fields
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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 point
is parallel toB G. However, when v makes an angle G θ with B, the direction of G FB G is perpendicular to the plane formed by v and G B G, and the magnitude of FB is proportional to G sinθ. (4) When the sign of the charge of the particle is switched from positive to negative (or vice versa), the direction of the magnetic force also reverses.
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