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Unformatted text preview: 1 1 Phys 212: Midterm 2 Information • Wed, April 2 • 6:30 pm-7:45 pm • Locations (by Phys212R sections): – 1–6: 010 Sparks – 7–13: 121 Sparks – 14–28: 100 Thomas • Material covered -- HRW: Chapters 26 through 29 • 20 questions, multiple choice – Numerical data and relevant formulae provided – Allowed to bring a double-sided 8.5”x11” paper with handwritten notes – Standard scientific calculators ok; no palm computers, organizers or communication devices • Conflict exams IMPORTANT : If you have a conflict with the scheduled exam time, you must fill out the conflict exam request form on the course website, in the exam section. • The Deadline for conflict registration: 5 pm Wednesday, March 26 rd • The HW is due (as usual) on Monday night of the week of the exam; no HW is due the week after the exam. 2 Magnetic Fields – II Nikola Tesla (1856-1943) This lecture: HRW 28.7-28.10 For next time: HRW 29.1-29.3 3 Last Time • Motion of charged particles in crossed E and B fields • Force on a current carrying wire • Magnetic dipole moments Today • No magnetic monopoles • B-fields exert forces on moving charges. • B-fields accelerate charges, but perpendicular to their velocity, so that their speed is unchanged. • Motion in a uniform B field are circles or helices....
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- Spring '07
- Magnetism, Magnetic Field, Magnetic dipole moment, magnetic vd force