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{SECT 0 {EXCHG {PARA 18 "" 0 "" {TEXT -1 27 "Computer Intensive Physic
s " }}{PARA 18 "" 0 "" {TEXT -1 45 "Test Problem: Circuits and Resista
nce: Exam 2" }}{PARA 18 "" 0 "" {TEXT -1 22 "Physics 212: Fall 1997" }
}}{EXCHG {PARA 19 "" 0 "" {TEXT -1 16 "Steven R. Dunbar" }}{PARA 19 "
" 0 "" {TEXT -1 40 "Department of Mathematics and Statistics" }}{PARA 
19 "" 0 "" {TEXT -1 30 "University of Nebraska-Lincoln" }}{PARA 19 "" 
0 "" {TEXT -1 23 "Lincoln, NE, USA  68588" }}{PARA 19 "" 0 "" {TEXT 
-1 20 "sdunbar@math.unl.edu" }}}{EXCHG {PARA 0 "" 0 "" {TEXT -1 62 "  \+
KEYWORDS:  Equivalent resistance, Ohm's Law, Kirchoff's Law." }}{PARA 
0 "" 0 "" {TEXT -1 86 "\nOBJECTIVE:   Illustrate how to use Maple for \+
 analysis in context of circuit analysis" }}{PARA 0 "" 0 "" {TEXT -1 
78 "\nPREREQUISITE: Knowledge of law of current and resistance, Kirchh
off's laws.  " }}{PARA 0 "" 0 "" {TEXT -1 0 "" }}}{EXCHG {PARA 0 "" 0 
"" {TEXT -1 54 "AUDIENCE:  Students working in a computer lab setting.
" }}{PARA 0 "" 0 "" {TEXT -1 36 "TIME:  About 30-minute test  period.
" }}{PARA 0 "" 0 "" {TEXT -1 25 "SOFTWARE:   Maple V R 4. " }}}{PARA 
0 "" 0 "" {TEXT -1 3 "   " }}{EXCHG {PARA 0 "" 0 "" {TEXT -1 2 "  " }}
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{PARA 0 "" 0 "" {TEXT -1 0 "" }}{PARA 0 "" 0 "" {TEXT -1 88 "Hint:  Dr
aw (if necessary) a labelled diagram on scratch paper, then write the \+
equations" }}{PARA 0 "" 0 "" {TEXT -1 0 "" }}{PARA 0 "" 0 "" {TEXT -1 
0 "" }}}{PARA 0 "" 0 "" {TEXT -1 0 "" }}{EXCHG {PARA 0 "" 0 "" {TEXT 
-1 66 "Suggestion:  Save your work to the Exam folder for safety backu
p!!" }}{PARA 0 "" 0 "" {TEXT -1 0 "" }}{PARA 0 "" 0 "" {TEXT -1 54 " M
ail your solution as a Netscape Mail attachment  to " }}{PARA 0 "" 0 "
" {TEXT -1 20 "sdunbar@math.unl.edu" }}}{EXCHG {PARA 4 "" 0 "" {TEXT 
-1 69 "A.  (5 points)  Set up the equations for the currents in the se
gments" }}}{EXCHG {PARA 4 "" 0 "" {TEXT -1 103 "B.(5 points)  What is \+
the equivalent resistance of the combination of resistors shown in the
 diagram?  " }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}{EXCHG 
{PARA 4 "" 0 "" {TEXT -1 81 "C. (5 points) What is the equivalent resi
stance if the 8-Ohm resistor is removed?" }}}{EXCHG {PARA 0 "> " 0 "" 
{MPLTEXT 1 0 0 "" }}}{EXCHG {PARA 4 "" 0 "" {TEXT -1 57 "D. (5 points)
 Why are the two results not very different?" }}}}{MARK "2 0 0" 2 }
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