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Lecture 12: iq10

1. Metal spherical shell, plastic shell. What if metal shell is replaced by solid metal sphere?

2. Field due to a uniformly charged sphere

3. R-dependence of E: 1/r⁰, and 1/r

4. Long rod

5. Large plate

Review unit1: Course summary of unit 1.

· mom. P, energy P,

· ch14, 15, 16, 22a (Gauss Law)

Announcements:

Preparation for midterm1

o A check list on items to look over:

o Course summary of unit1.

o Textbook: Figures, Examples and X problems where there are answers at the back of the chapters.

o Clicker questions

o Homework problems: Understand the physics of these problems.

o Review on unit-1

o Instructor’s review session: Tu 5-6, location: TBA

o More Q and A during Wed. class, if needed.

o Email: Q and A. This week’s office hours: MW 9:15-10:15; Th 2-3:30.