Physics 214 Homework sets Fall 2004

Set 1

Required reading: Heald, chapter 1.

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Problems:

For Wednesday 9/1: 1.8, 1.10

For Friday 9/3: 1.13

For Wednesday 9/8: 1.19, 1.37

Hand in solutions on Wednesday 9/8.

Set 2

Required reading: Heald, chapter 2.

Problems:

For Friday 9/10:

Consider a circular disk with a radius a, and a thickness w. The magnetization is M(r) = (kr/2) ê_θ as shown in the diagram below. Find the surface and volume bound currents. Integrate over the area of the disk to find the total volume current. Also find the total surface bound current.

For Monday 9/13: 2.1, 2.2

For Wednesday 9/15: 2.13, 2.16

Hand in solutions on Wednesday 9/15.

Set 3

Required reading: Heald, chapter 3.

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Problems:

For Monday 9/20: 3.7

For Wednesday 9/22: 3.17, 3.18, 3.21, and 3.23

For Friday 9/24: 3.34

Hand in solutions on Friday 9/24.

Set 4

Required reading: Heald Chapter 4, sections 1-5.

Problems:

For Monday 9/27: 4.2

For Wednesday 9/29: 4.6

Hand in solutions on Friday 10/1.

Exam #1, on Friday 10/1. 11:15 – 12:45 am A424 (Museum room).

Set 5

Required reading: Heald, chapter.section 4.5, 4.6, 4.8

Optional reading: Griffiths (3^rd Edition), chapter 8

Problems:

For Wednesday 10/6: 4.4

For Monday 10/11: 4.12, 4.16.

Also for Monday 10/11:

Suppose you had an electric charge q_e and a magnetic monopole q_m. The field of the electric charge is

,

and the field of the magnetic monopole is

.

Find the total angular momentum stored in the fields, if the two charges are separated by a distance d.

For Wednesday 10/13: 4-21, 4-23.

For Friday 10/15: 4.18

Hand in solutions on Friday 10/15.

Set 6

Required reading: Heald, chapter 5.

Problems:

For Wednesday 10/20: Consider the magnetized sphere of Prob. 4-18. Calculate the angular momentum stored in the electromagnetic field.

For Friday 10/22: 5-4, 5-7, 5-9.

For Wednesday 10/27: 5-11, 5-15.

Hand in solutions on Wednesday 10/27.

Set 7

Required reading: Heald, chapter 6.

Problems:

For Friday 10/28: 5-15

For Monday 11/1: 6-3

For Wednesday 11/3: 6-11.

For Friday 11/5: 6-12, 6-13.

Hand in solutions on Friday 11/5

Set 8

Required reading: Purcell (Volume 2,Second Edition), Chapter 5;

Heald, Chapter 8 and sections 9.2, 9.3.

Problems:

For Monday, 11/15: 8-1, 8-3.

For Wednesday 11/17: 8-7.

For Friday 11/19: 8-9.

For Monday 11/22: 8-15, 9-5.

Determine β for the two cases discussed in problem 8-15. Use the online applet (see Physics 214 News page) to simulate the radiation of electrons constrained to

circular motion for β=0.1 and β=0.95, and describe what you see. [Hint: see figures 8-8 and 8-9 in Heald].

Turn in solutions on Monday November 22nd.

Set 9

Reading: Purcell (Volume 2,Second Edition), Chapter 5;

Heald, Chapter 14, sections 14.1 – 14.9

Problems:

Heald: 14-5, 14-6, 14-10.

Purcell: 5-13, 5-17.

Hand in solutions on Wednesday 12/8.

Final exam is on: THU 12/16/2004 04:00 - 07:45 PM COOK A402