Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter38: Refraction And Images Formed By Refraction
Section: Chapter Questions
Problem 70PQ: A Fill in the missing entries in Table P38.70. Table P38.70
Related questions
Question
For the circuit shown in Figure
P18.30, use Kirchhoff’s rules to obtain equations
for (a) the upper loop, (b) the lower
loop, and (c) the node on the left side. In
each case suppress units for clarity and simplify, combining like
terms. (d) Solve the node equation for I36. (e) Using the equation
found in (d), eliminate I36 from the equation found in
part (b). (f) Solve the equations found in part (a) and part (e)
simultaneously for the two unknowns for I18 and I12, respectively.
(g) Substitute the answers found in part (f) into the node equation
found in part (d), solving for I36. (h) What is the significance
of the negative answer for I12?
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