PHY 2140 Sample Exam Answers

Note:  before checking answers, make sure that you finished the solution.

1.   d
2.   b
3.   d
4.   b
5.   c
6.   c
7.   a
8.   d
9.   a
10. a 
11. c
12 (bonus).  b

NOTE: there was a missprint in the formulation of problem 7. Please check the exam for the correct formulation. If you solved problem 7 using  the formulation in the exam, your answer  would be 7.78x10^(-7) A (i.e. answer (c)).