Transcription of Chapter 8 Introduction to Magnetic Fields - MIT
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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.
where a and b represent the endpoints of the wire. As an example, consider a curved wire carrying a current I in a uniform magnetic field B G, as shown in Figure 8.3.4. Figure 8.3.4 A curved wire carrying a current I. Using Eq. (8.3.3), the magnetic force on the wire is given by
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