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# 07 - Physics 2213 Read Homework#7 Spring 2010 Chapter 27...

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Physics 2213 Homework #7 Spring 2010 Read: Chapter 27, intro., sections 27.1-7 Basic Ideas: Magnetic Fields & Magnetic Forces on Moving Charges & Electric Currents Magnetic Field Line Model Magnetic Forces & Torques on Electric Current Loops Magnetic Dipoles Analogy between Electric Current Loops & Permanent Magnets Electric Potential & Potential Energy Math Skills: 3-D Vector Geometry, including Vector Cross Product Algebra, Trigonometry, Calculus Learning Goals: (Be sure you understand where and how each goal in each assignment applies to our homework, discussion, lecture, and lab activities.) * Relate and calculate magnetic forces, magnetic fields, and velocities of moving electrically charged particles—directions and magnitudes—using the Lorentz Force Law. * Determine the trajectories taken by charged particles moving under the influence of magnetic forces, given the geometry of the field and the initial particle velocities. * Relate and calculate magnetic fields and magnetic forces acting on electric currents. * Explain and show how to determine appropriate field directions and calculate physical quantities involved in applications involving magnetic fields and forces—mass spectrometer, velocity selector, cyclotron, magnetic rail gun, aurora, Earth's magnetic field. For extra practice: Chap. 27: Q's #Q27.1, 3, 4, 6, 7, 10, 12, 14-16, 21 (not quizzed or turned in) E's & P's: #27.3, 5, 15, 25, 39, 45a To be prepared for a Quiz on Wednesday-Friday, Mar. 17-19, at your 2nd weekly Discussion

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07 - Physics 2213 Read Homework#7 Spring 2010 Chapter 27...

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