ARCHIVE - INS Physics: Homework 1

INS Physics, Spring 2003

Homework 3
Due by 3:30 on Wednesday of Week 4 (April 23, 2003)

Textbook Problems
Chap. 19, Conceptual Questions (p. 581): 10
Chap. 19, Problems (p. 583): 38, 39, 40
Chap. 20, Conceptual Questions (p. 618): 3, 4
Chap. 20, Problems (p. 619): 2, 4, 10, 13

Important: It is likely that this assignment will NOT be returned before the midterm exam. Thus, you will want to either photocopy your assignment before turning it in, or rely on the homework solutions to study for the exam.

Reminders (for all homework assignments this quarter):
A. Please include the homework number on your assignment.
B. Each problem should include the following headings: Given, Wanted, Solution

Brief Answers

Chap. 19, Conceptual Questions
10. No. Electric potential changes in a constant electric field.
Chap. 19, Problems
38. 8.0x10^-5C
39. (a) 1.3 pC (b) 8.1 M
40. 7.0x10¹³
Chap. 20, Conceptual Questions
3. Yes. The wire made from the material with the larger resistivity could have a larger cross sectional area.
4. Resistance is cut in half.
Chap. 20, Problems
2. (a) 3.6x10^-2C (b) 2.3x10¹⁷
4. 8.6 A
10. 0.58 Ohms
13. 9.9 mm